NORTHERN LIGHTS MYSTIC TOPAZ GEMSTONE


A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
 
GEMSTONE A - B
 
MOHS HARDNESS SCALE 8.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE
 
MOHS HARDNESS SCALE 8.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 8.5
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY good
CARE AND HANDLING Normal Care
Note: synthetic
CODE H
 
MOHS HARDNESS SCALE 6 - 6.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Avoid heat, chemicals, and ultrasonic cleaners
CODE n/a
 
MOHS HARDNESS SCALE 2 - 2.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Amber is very soft, so be mindful of scratching. Avoid harsh chemicals and ultrasonic cleaners
CODE n/a
 
MOHS HARDNESS SCALE 2 - 2.5
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT n/a
FREQUENCY usually
STABILITY good to very good
CARE AND HANDLING Amber is very soft, so be mindful of scratching. Avoid harsh chemicals and ultrasonic cleaners
CODE H
 
MOHS HARDNESS SCALE 2 - 2.5
POSSIBLE ENHANCEMENTS heated with oils under pressure
PURPOSE OF ENHANCEMENT n/a
FREQUENCY usually
STABILITY good to very good
CARE AND HANDLING Amber is very soft, so be mindful of scratching. Avoid harsh chemicals and ultrasonic cleaners
CODE HPHT, O
 
MOHS HARDNESS SCALE 2 - 2.5
POSSIBLE ENHANCEMENTS dyed/stained
PURPOSE OF ENHANCEMENT n/a
FREQUENCY rarely
STABILITY variable
CARE AND HANDLING Avoid repolishing. Amber is very soft, so be mindful of scratching. Avoid harsh chemicals and ultrasonic cleaners
CODE D
 
MOHS HARDNESS SCALE 2 - 2.5
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT to alter color
FREQUENCY commonly
STABILITY
CARE AND HANDLING Amber is very soft, so be mindful of scratching. Avoid harsh chemicals and ultrasonic cleaners
CODE H
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT to improve color
FREQUENCY rarely
STABILITY excellent
CARE AND HANDLING Normal Care
CODE H
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY Very Good
CARE AND HANDLING Amethyst may fade with long exposure to direct, bright sunlight.
CODE n/a
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT to improve color
FREQUENCY rarely
STABILITY excellent
CARE AND HANDLING Normal Care
CODE H
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT to improve color
FREQUENCY rarely
STABILITY excellent
CARE AND HANDLING Normal Care
CODE H
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT to improve color
FREQUENCY rarely
STABILITY excellent
CARE AND HANDLING Normal Care
CODE H
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT to improve color
FREQUENCY rarely
STABILITY excellent
CARE AND HANDLING Normal Care
CODE H
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT to improve color
FREQUENCY occasionally
STABILITY excellent
CARE AND HANDLING Avoid heat. Certain stones may fade in daylight.
CODE H
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Amethyst may fade with long exposure to direct, bright sunlight.
CODE n/a
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT to improve color
FREQUENCY rarely
STABILITY excellent
CARE AND HANDLING Normal Care
CODE H
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT to improve color uniformity
FREQUENCY always
STABILITY n/a
CARE AND HANDLING Normal Care
CODE H
 
MOHS HARDNESS SCALE 4
POSSIBLE ENHANCEMENTS impregnated
PURPOSE OF ENHANCEMENT to improve color uniformity
FREQUENCY usually
STABILITY fair to good
CARE AND HANDLING Avoid heat, harsh chemicals, and ultrasonic cleaners
Note: doublets or triplets
CODE I
 
MOHS HARDNESS SCALE 7 - 7.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 6 - 6.5
POSSIBLE ENHANCEMENTS Diffused
PURPOSE OF ENHANCEMENT To create color
FREQUENCY Always
STABILITY Very good
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE DF
 
MOHS HARDNESS SCALE 3 - 3.5
POSSIBLE ENHANCEMENTS no treatment
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY fair
CARE AND HANDLING Avoid harsh usage
CODE n/a
 
MOHS HARDNESS SCALE 5
POSSIBLE ENHANCEMENTS Natural
PURPOSE OF ENHANCEMENT N/a
FREQUENCY n/a
STABILITY good
CARE AND HANDLING Apatite is moderately soft, so be mindful of scratching. Avoid heat, harsh chemicals, and ultrasonic cleaners.
CODE
 
MOHS HARDNESS SCALE 5
POSSIBLE ENHANCEMENTS Natural
PURPOSE OF ENHANCEMENT N/a
FREQUENCY n/a
STABILITY good
CARE AND HANDLING Apatite is moderately soft, so be mindful of scratching. Avoid heat, harsh chemicals, and ultrasonic cleaners.
CODE
 
MOHS HARDNESS SCALE 5
POSSIBLE ENHANCEMENTS Natural
PURPOSE OF ENHANCEMENT N/a
FREQUENCY n/a
STABILITY good
CARE AND HANDLING Apatite is moderately soft, so be mindful of scratching. Avoid heat, harsh chemicals, and ultrasonic cleaners.
CODE
 
MOHS HARDNESS SCALE 5
POSSIBLE ENHANCEMENTS None
PURPOSE OF ENHANCEMENT N/a
FREQUENCY Rarely
STABILITY n/a
CARE AND HANDLING Apatite is moderately soft, so be mindful of scratching. Avoid heat, harsh chemicals, and ultrasonic cleaners.
CODE
 
MOHS HARDNESS SCALE 5
POSSIBLE ENHANCEMENTS Natural
PURPOSE OF ENHANCEMENT N/A
FREQUENCY N/A
STABILITY good
CARE AND HANDLING Apatite is moderately soft, so be mindful of scratching. Avoid heat, harsh chemicals, and ultrasonic cleaners.
CODE
 
MOHS HARDNESS SCALE 5
POSSIBLE ENHANCEMENTS Heated
PURPOSE OF ENHANCEMENT to add color
FREQUENCY always
STABILITY very good
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE
 
MOHS HARDNESS SCALE 5
POSSIBLE ENHANCEMENTS Natural
PURPOSE OF ENHANCEMENT N/a
FREQUENCY n/a
STABILITY good
CARE AND HANDLING Apatite is moderately soft, so be mindful of scratching. Avoid heat, harsh chemicals, and ultrasonic cleaners.
CODE n/a
 
MOHS HARDNESS SCALE 5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY rarely
STABILITY n/a
CARE AND HANDLING Apatite is moderately soft, so be mindful of scratching. Avoid heat, harsh chemicals, and ultrasonic cleaners.
CODE n/a
 
MOHS HARDNESS SCALE 5
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT n/a
FREQUENCY usually
STABILITY good
CARE AND HANDLING Apatite is moderately soft, so be mindful of scratching. Avoid heat, harsh chemicals, and ultrasonic cleaners.
CODE H
 
MOHS HARDNESS SCALE 5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY rarely
STABILITY n/a
CARE AND HANDLING Apatite is moderately soft, so be mindful of scratching. Avoid heat, harsh chemicals, and ultrasonic cleaners.
CODE n/a
 
MOHS HARDNESS SCALE 5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY rarely
STABILITY n/a
CARE AND HANDLING Apatite is moderately soft, so be mindful of scratching. Avoid heat, harsh chemicals, and ultrasonic cleaners.
CODE
 
MOHS HARDNESS SCALE 5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY rarely
STABILITY n/a
CARE AND HANDLING Apatite is moderately soft, so be mindful of scratching. Avoid heat, harsh chemicals, and ultrasonic cleaners.
CODE
 
MOHS HARDNESS SCALE 5
POSSIBLE ENHANCEMENTS Natural
PURPOSE OF ENHANCEMENT N/a
FREQUENCY n/a
STABILITY good
CARE AND HANDLING Apatite is moderately soft, so be mindful of scratching. Avoid heat, harsh chemicals, and ultrasonic cleaners.
CODE
 
MOHS HARDNESS SCALE 7.5 - 8
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT to improve color
FREQUENCY usually
STABILITY excellent
CARE AND HANDLING Normal Care
CODE H
 
MOHS HARDNESS SCALE 3.5 - 4
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Aragonite is soft, so be mindful of scratching. Avoid heat, harsh chemicals, and ultrasonic cleaners. Aragonite is generally unsuitable for jewelry.
CODE n/a
 
MOHS HARDNESS SCALE 3.5 - 4
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
GEMSTONE C
 
MOHS HARDNESS SCALE 3.0-4.0
POSSIBLE ENHANCEMENTS Composite
PURPOSE OF ENHANCEMENT to enhance the appearance
FREQUENCY commonly
STABILITY good
CARE AND HANDLING
CODE n/a
 
MOHS HARDNESS SCALE 5 - 6
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE
 
MOHS HARDNESS SCALE 4.5-5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Charoite is somewhat sensitive to heat and pressure, so avoid the use of steam cleaners and ultrasonic cleaners, as well as any prolonged exposure to direct sun light.
CODE n/a
 
MOHS HARDNESS SCALE 2.0-4.0
POSSIBLE ENHANCEMENTS no treatment
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Avoid scratching, ultrasonic cleaners, harsh household chemicals, prolonged exposure to direct sunlight and excessive heat
CODE n/a
 
MOHS HARDNESS SCALE 2.0-4.0
POSSIBLE ENHANCEMENTS no treatment
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Avoid scratching, ultrasonic cleaners, harsh household chemicals, prolonged exposure to direct sunlight and excessive heat
CODE n/a
 
MOHS HARDNESS SCALE 5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING normal care
CODE n/a
 
MOHS HARDNESS SCALE 6-7
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS irradiated
PURPOSE OF ENHANCEMENT to create color
FREQUENCY unknown
STABILITY excellent
CARE AND HANDLING Normal Care
CODE IR
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT to alter color
FREQUENCY usually
STABILITY excellent
CARE AND HANDLING Normal Care
CODE H
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT to alter color
FREQUENCY usually
STABILITY excellent
CARE AND HANDLING Normal Care
CODE H
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT to alter color
FREQUENCY usually
STABILITY excellent
CARE AND HANDLING Normal Care
CODE H
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS irradiated
PURPOSE OF ENHANCEMENT to alter color
FREQUENCY unknown
STABILITY excellent
CARE AND HANDLING Normal Care
CODE IR
 
MOHS HARDNESS SCALE 3-4
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Avoid scratching, temperature changes, steaming, chemicals, and ultrasonic cleaners.
CODE Avoid scratching, temperature changes, steaming, chemicals, and ultrasonic cleaners.
 
MOHS HARDNESS SCALE 3-4
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Avoid scratching, temperature changes, steaming, chemicals, and ultrasonic cleaners.
CODE n/a
 
GEMSTONE D
 
MOHS HARDNESS SCALE 10
POSSIBLE ENHANCEMENTS Natural
PURPOSE OF ENHANCEMENT NA
FREQUENCY NA
STABILITY good
CARE AND HANDLING Normal Care
CODE NA
 
MOHS HARDNESS SCALE 10
POSSIBLE ENHANCEMENTS Natural
PURPOSE OF ENHANCEMENT NA
FREQUENCY NA
STABILITY good
CARE AND HANDLING Normal Care
CODE NA
 
MOHS HARDNESS SCALE 10
POSSIBLE ENHANCEMENTS Natural
PURPOSE OF ENHANCEMENT NA
FREQUENCY NA
STABILITY good
CARE AND HANDLING Normal Care
CODE NA
 
MOHS HARDNESS SCALE 10
POSSIBLE ENHANCEMENTS irradiated
PURPOSE OF ENHANCEMENT to create color
FREQUENCY occasionally
STABILITY excellent to very good
CARE AND HANDLING Normal Care
CODE IR
 
MOHS HARDNESS SCALE 10
POSSIBLE ENHANCEMENTS irradiated / heated
PURPOSE OF ENHANCEMENT to create color and improve clarity
FREQUENCY commonly
STABILITY fair to good
CARE AND HANDLING Avoid heat, harsh chemicals, and ultrasonic cleaners
CODE IR, H
 
MOHS HARDNESS SCALE 10
POSSIBLE ENHANCEMENTS irradiated
PURPOSE OF ENHANCEMENT to create color
FREQUENCY occasionally
STABILITY excellent to very good
CARE AND HANDLING Normal Care
CODE IR
 
MOHS HARDNESS SCALE 10
POSSIBLE ENHANCEMENTS N/A
PURPOSE OF ENHANCEMENT N/A
FREQUENCY N/A
STABILITY N/A
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE
 
MOHS HARDNESS SCALE 10
POSSIBLE ENHANCEMENTS irradiated
PURPOSE OF ENHANCEMENT to create color
FREQUENCY occasionally
STABILITY excellent to very good
CARE AND HANDLING Normal Care
CODE IR
 
MOHS HARDNESS SCALE 10
POSSIBLE ENHANCEMENTS irradiated
PURPOSE OF ENHANCEMENT to create color
FREQUENCY occasionally
STABILITY excellent to very good
CARE AND HANDLING Normal Care
CODE IR
 
MOHS HARDNESS SCALE 10
POSSIBLE ENHANCEMENTS irradiated
PURPOSE OF ENHANCEMENT to create color
FREQUENCY occasionally
STABILITY excellent to very good
CARE AND HANDLING Normal Care
CODE IR
 
MOHS HARDNESS SCALE 5 - 6
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Diopside is moderately soft, so be mindful of scratching. Avoid sudden temperature changes and harsh chemicals.
CODE n/a
 
MOHS HARDNESS SCALE 5 - 6
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Diopside is moderately soft, so be mindful of scratching. Avoid sudden temperature changes and harsh chemicals.
CODE n/a
 
MOHS HARDNESS SCALE 6.5 to 7
POSSIBLE ENHANCEMENTS stabilization
PURPOSE OF ENHANCEMENT to increase durability
Always Very good
STABILITY Very good
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE S
 
 
GEMSTONE E
 
MOHS HARDNESS SCALE 7.5-7
POSSIBLE ENHANCEMENTS no treatment
PURPOSE OF ENHANCEMENT n/a
FREQUENCY very rarely
STABILITY n/a
CARE AND HANDLING Normal Care
CODE
 
MOHS HARDNESS SCALE 7.5-7
POSSIBLE ENHANCEMENTS no treatment
PURPOSE OF ENHANCEMENT n/a
FREQUENCY very rarely
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 7.5-8
POSSIBLE ENHANCEMENTS oiled/resin infused
PURPOSE OF ENHANCEMENT to improve clarity
FREQUENCY occasionally
STABILITY very good
CARE AND HANDLING Avoid heat, harsh chemicals, and ultrasonic cleaners
CODE 0
 
MOHS HARDNESS SCALE 7.5 - 8
POSSIBLE ENHANCEMENTS hardened polymers
PURPOSE OF ENHANCEMENT to improve clarity
FREQUENCY occasionally
STABILITY very good
CARE AND HANDLING Normal Care
CODE P
 
MOHS HARDNESS SCALE 7.5-8
POSSIBLE ENHANCEMENTS dyed with colorless polymers
PURPOSE OF ENHANCEMENT to improve color and clarity
FREQUENCY rarely
STABILITY good
CARE AND HANDLING Avoid heat, harsh chemicals, and ultrasonic cleaners
CODE n/a
 
MOHS HARDNESS SCALE 7.5 - 8
POSSIBLE ENHANCEMENTS hardened polymers
PURPOSE OF ENHANCEMENT to improve appearance and clarity
FREQUENCY occasionally
STABILITY very good
CARE AND HANDLING Normal Care
CODE P
 
MOHS HARDNESS SCALE 7.5 - 8
POSSIBLE ENHANCEMENTS waxed/oiled
PURPOSE OF ENHANCEMENT to enhance color, clarity and stability
FREQUENCY commonly
STABILITY fair to good
CARE AND HANDLING Avoid wearing emerald jewelry when working with harsh chemicals or household cleaners, such as bleach or acids. When cleaning, you can use warm soapy water and a tissue or a soft cloth. Be sure to rinse the stones well to remove all soapy residue.
CODE W
 
MOHS HARDNESS SCALE 5 - 5.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
GEMSTONE F
 
MOHS HARDNESS SCALE 6.5
POSSIBLE ENHANCEMENTS None
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE IR
 
MOHS HARDNESS SCALE 4
POSSIBLE ENHANCEMENTS Irradiated
PURPOSE OF ENHANCEMENT to create color
FREQUENCY usually
STABILITY fair to good
CARE AND HANDLING Avoid scratching, temperature changes, steaming, chemicals, and ultrasonic cleaners.
CODE IR
 
MOHS HARDNESS SCALE 4
POSSIBLE ENHANCEMENTS irradiated
PURPOSE OF ENHANCEMENT to enhance color, clarity and stability
FREQUENCY Always
STABILITY Good
CARE AND HANDLING Avoid scratching, temperature changes, steaming, chemicals, and ultrasonic cleaners.
CODE n/a
 
MOHS HARDNESS SCALE 4
POSSIBLE ENHANCEMENTS irradiated
PURPOSE OF ENHANCEMENT to create color
FREQUENCY usually
STABILITY fair to good
CARE AND HANDLING Avoid scratching, temperature changes, steaming, chemicals, and ultrasonic cleaners.
CODE IR
 
MOHS HARDNESS SCALE 4
POSSIBLE ENHANCEMENTS irradiated
PURPOSE OF ENHANCEMENT to create color
FREQUENCY usually
STABILITY fair to good
CARE AND HANDLING Avoid scratching, temperature changes, steaming, chemicals, and ultrasonic cleaners.
CODE IR
 
MOHS HARDNESS SCALE 4
POSSIBLE ENHANCEMENTS irradiated
PURPOSE OF ENHANCEMENT to create color
FREQUENCY usually
STABILITY fair to good
CARE AND HANDLING Avoid scratching, temperature changes, steaming, chemicals, and ultrasonic cleaners.
CODE IR
 
GEMSTONE G
 
MOHS HARDNESS SCALE 6.5 - 7
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 6.5 - 7
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 7 - 7.5
POSSIBLE ENHANCEMENTS None
PURPOSE OF ENHANCEMENT N/A
FREQUENCY N/A
STABILITY N/A
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE
 
MOHS HARDNESS SCALE 7 - 7.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 7 - 7.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 7 - 7.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care, Avoid sudden temperature changes.
CODE n/a
 
MOHS HARDNESS SCALE 7 - 7.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 7 - 7.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE
 
MOHS HARDNESS SCALE 7 - 7.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 7 - 7.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE
 
MOHS HARDNESS SCALE 7 - 7.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE
 
MOHS HARDNESS SCALE 7 - 7.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE good to know
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 7 - 7.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal care
CODE n/a
 
MOHS HARDNESS SCALE 7 – 8
POSSIBLE ENHANCEMENTS None
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE
 
MOHS HARDNESS SCALE 7 - 7.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal care
CODE n/a
 
MOHS HARDNESS SCALE 7.5 to 8
POSSIBLE ENHANCEMENTS None
PURPOSE OF ENHANCEMENT N/A
FREQUENCY N/A
STABILITY N/A
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE
 
GEMSTONE H
 
MOHS HARDNESS SCALE 5
POSSIBLE ENHANCEMENTS Artificial glass made from Ash of Mt Helens
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 5
POSSIBLE ENHANCEMENTS Artificial glass made from Ash of Mt Helens
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 5
POSSIBLE ENHANCEMENTS Artificial glass made from Ash of Mt Helens
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
GEMSTONE I
 
MOHS HARDNESS SCALE 7 - 7.5
POSSIBLE ENHANCEMENTS Natural
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY excellent
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 7-7.5
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT n/a
FREQUENCY rarely
STABILITY excellent
CARE AND HANDLING normal care
CODE H
 
MOHS HARDNESS SCALE 7 - 7.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care and handling.
CODE n/a
 
GEMSTONE J
 
MOHS HARDNESS SCALE 6.5 - 7
POSSIBLE ENHANCEMENTS waxed/oiled
PURPOSE OF ENHANCEMENT to improve appearance
FREQUENCY commonly
STABILITY fair
CARE AND HANDLING Avoid prolonged exposure to strong light, ultrasonic cleaners and harsh chemicals. May discolor over time.
CODE W
 
MOHS HARDNESS SCALE 6.5 - 7
POSSIBLE ENHANCEMENTS dyed/stained
PURPOSE OF ENHANCEMENT to improve appearance
FREQUENCY occasionally
STABILITY variable
CARE AND HANDLING Avoid strong light, chemicals, and ultrasonic cleaners.
CODE D
 
MOHS HARDNESS SCALE 6.5 -7
POSSIBLE ENHANCEMENTS resin coated
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING n/a
CODE
 
MOHS HARDNESS SCALE 6.5 -7
POSSIBLE ENHANCEMENTS resin coated
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING n/a
CODE
 
MOHS HARDNESS SCALE 6.5 -7
POSSIBLE ENHANCEMENTS resin coated
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING n/a
CODE
 
MOHS HARDNESS SCALE 6.5 -7
POSSIBLE ENHANCEMENTS resin coated
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING n/a
CODE n/a
 
MOHS HARDNESS SCALE 6.5 - 7
POSSIBLE ENHANCEMENTS no treatment
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY Good
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 6.5 -7
POSSIBLE ENHANCEMENTS resin coated
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING n/a
CODE
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 6.5 -7
POSSIBLE ENHANCEMENTS resin coated
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING n/a
CODE
 
MOHS HARDNESS SCALE 6.5 -7
POSSIBLE ENHANCEMENTS resin coated
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING n/a
CODE
 
GEMSTONE K
 
MOHS HARDNESS SCALE 4 - 7
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Avoid rough handling, temperature changes, chemicals, steaming, and ultrasonic cleaners.
CODE n/a
 
MOHS HARDNESS SCALE 4 - 7
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Avoid rough handling, temperature changes, chemicals, steaming, and ultrasonic cleaners.
CODE n/a
 
MOHS HARDNESS SCALE 4 - 7
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Avoid rough handling, temperature changes, chemicals, steaming, and ultrasonic cleaners.
CODE n/a
 
MOHS HARDNESS SCALE 6.5 to 7.0
POSSIBLE ENHANCEMENTS Heated
PURPOSE OF ENHANCEMENT To improve color and remove brownish tones
FREQUENCY commonly
STABILITY good
CARE AND HANDLING Avoid prolonged exposure to strong light and harsh usage
CODE H
 
MOHS HARDNESS SCALE 6.5 to 7
POSSIBLE ENHANCEMENTS None
PURPOSE OF ENHANCEMENT N/A
FREQUENCY N/A
STABILITY N/A
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE
 
GEMSTONE L
 
MOHS HARDNESS SCALE 6 - 6.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 6 - 6.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 5.0-5.5
POSSIBLE ENHANCEMENTS no treatment
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal, gentle handling. Avoid exposure to acids, heat and ultrasonic cleaners.
CODE
 
MOHS HARDNESS SCALE 4.5 - 5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 4.5 - 5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 2.5 - 3
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Avoid exposure to high temperature and harsh household chemicals.
CODE
 
GEMSTONE M
 
MOHS HARDNESS SCALE 3.5 to 4.5
POSSIBLE ENHANCEMENTS dying; impregnation
PURPOSE OF ENHANCEMENT to improve color; to improve durability
FREQUENCY Always
STABILITY Very Good
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE D; I
 
MOHS HARDNESS SCALE 3.5 - 4
POSSIBLE ENHANCEMENTS coated with colorless wax
PURPOSE OF ENHANCEMENT to improve appearance
FREQUENCY occasionally
STABILITY fair
CARE AND HANDLING Malachite is soft, so be mindful of scratching. Avoid chemicals and ultrasonic cleaners.
CODE C, W
 
MOHS HARDNESS SCALE 3.5 - 4
POSSIBLE ENHANCEMENTS dyed
PURPOSE OF ENHANCEMENT to improve appearance
FREQUENCY occasionally
STABILITY good
CARE AND HANDLING Avoid chemicals, steam, and ultrasonic cleaners.
CODE D
 
MOHS HARDNESS SCALE 3.5 - 4
POSSIBLE ENHANCEMENTS impregnated with plastic or other hardened agents
PURPOSE OF ENHANCEMENT to improve appearance
FREQUENCY rarely
STABILITY good
CARE AND HANDLING Malachite is soft, so be mindful of scratching. Avoid chemicals and ultrasonic cleaners.
CODE I
 
MOHS HARDNESS SCALE 6 - 6.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 5.5-6
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Avoid chemicals, steam, ultrasonic cleaners and exposure to strong sunlight.
CODE n/a
 
MOHS HARDNESS SCALE 3-4
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 3-4
POSSIBLE ENHANCEMENTS Coated
PURPOSE OF ENHANCEMENT n/a
FREQUENCY commonly
STABILITY good
CARE AND HANDLING Avoid acids and chemicals
CODE C
 
MOHS HARDNESS SCALE 5.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 6 - 7
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 6 -6.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 6 -6.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 6 -6.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 6 -6.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 7.5 - 8
POSSIBLE ENHANCEMENTS irradiated
PURPOSE OF ENHANCEMENT to produce color
FREQUENCY commonly
STABILITY excellent
CARE AND HANDLING Normal Care
CODE IR
 
MOHS HARDNESS SCALE 7.5 - 8
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT to improve color
FREQUENCY commonly
STABILITY excellent
CARE AND HANDLING Normal Care
CODE H
 
GEMSTONE N - O
 
MOHS HARDNESS SCALE 7-7.5
POSSIBLE ENHANCEMENTS N/A
PURPOSE OF ENHANCEMENT N/A
FREQUENCY N/A
STABILITY Good
CARE AND HANDLING Normal Care
CODE
 
MOHS HARDNESS SCALE 4
POSSIBLE ENHANCEMENTS Impregnated with Resin
PURPOSE OF ENHANCEMENT to improve color
FREQUENCY usually
STABILITY Good
CARE AND HANDLING Avoid heat, chemicals, ultrasonic cleaners, and repolishing.
CODE I
 
MOHS HARDNESS SCALE 5.5 - 6.5
POSSIBLE ENHANCEMENTS oiled/resin infused
PURPOSE OF ENHANCEMENT to improve appearance and clarity
FREQUENCY occasionally
STABILITY fair
CARE AND HANDLING Avoid heat, chemicals, ultrasonic cleaners, and repolishing.
CODE O
 
MOHS HARDNESS SCALE 5.5 - 6.5
POSSIBLE ENHANCEMENTS Assembled
PURPOSE OF ENHANCEMENT to add color
FREQUENCY usually
STABILITY very good
CARE AND HANDLING Avoid heat, chemicals, ultrasonic cleaners, and repolishing.
CODE A
 
MOHS HARDNESS SCALE 5.5- 6
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Avoid steaming, ultrasonic cleaners, harsh chemicals and abrupt temperature changes.
CODE n/a
 
MOHS HARDNESS SCALE 5.5- 6
POSSIBLE ENHANCEMENTS impregnated
PURPOSE OF ENHANCEMENT n/a
FREQUENCY occasionally
STABILITY good
CARE AND HANDLING
CODE I
 
MOHS HARDNESS SCALE 5.5 - 6
POSSIBLE ENHANCEMENTS Natural
PURPOSE OF ENHANCEMENT N/a
FREQUENCY N/a
STABILITY good
CARE AND HANDLING Avoid water, heat and solvents. Fire Opal is moderately soft, so be mindful of scratching.
CODE n/a
 
MOHS HARDNESS SCALE 5
POSSIBLE ENHANCEMENTS Assembled
PURPOSE OF ENHANCEMENT to improve appearance
FREQUENCY commonly
STABILITY good
CARE AND HANDLING Avoid rough handling, contact with water, harsh cleaners and extreme temperatures.
CODE I
 
MOHS HARDNESS SCALE 5.5 - 6
POSSIBLE ENHANCEMENTS Natural
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care, Note: this rough is dyed
CODE
 
MOHS HARDNESS SCALE 5.5 - 6
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
Note: this rough is dyed
CODE D
 
MOHS HARDNESS SCALE 5.5 - 6.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE n/a
 
MOHS HARDNESS SCALE 5.5 - 6
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 5.5 - 6
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 5 - 7
POSSIBLE ENHANCEMENTS Dyed ,impregnated, waxed/oiled
PURPOSE OF ENHANCEMENT to improve color
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING n/a
CODE D,I, W
 
MOHS HARDNESS SCALE 5.5 - 6
POSSIBLE ENHANCEMENTS Natural
PURPOSE OF ENHANCEMENT N/a
FREQUENCY N/a
STABILITY good
CARE AND HANDLING Avoid use a steamer or ultrasonic, harsh cleaning agents, perfume, hand soap, high temperatures or sudden temperature changes; simply wipe with a clean soft cloth.
CODE
 
MOHS HARDNESS SCALE 5.5 to 6
POSSIBLE ENHANCEMENTS None
PURPOSE OF ENHANCEMENT N/A
FREQUENCY N/A
STABILITY N/A
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE
 
MOHS HARDNESS SCALE 6 - 6.5
POSSIBLE ENHANCEMENTS n/a
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING n/a
CODE n/a
 
MOHS HARDNESS SCALE 3.5 to 4.5
POSSIBLE ENHANCEMENTS n/a
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE n/a
 
GEMSTONE P
 
MOHS HARDNESS SCALE 4
POSSIBLE ENHANCEMENTS n/a
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING To be dampened from time to time in lightly salted water, never be wrapped in cotton or wool because the heat generated would add to the risk of drying out, threatening to turn the pearls brown
CODE n/a
 
MOHS HARDNESS SCALE 2.5 to 4
POSSIBLE ENHANCEMENTS n/a
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal pearl care. Avoid heat, chemicals, ultrasonic and steam cleaners. a
CODE n/a
 
MOHS HARDNESS SCALE 3.5 to 4
POSSIBLE ENHANCEMENTS None
PURPOSE OF ENHANCEMENT N/A
FREQUENCY N/A
STABILITY N/A
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE
 
MOHS HARDNESS SCALE 6.5 to 7
POSSIBLE ENHANCEMENTS None
PURPOSE OF ENHANCEMENT N/A
FREQUENCY N/A
STABILITY N/A
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE
 
MOHS HARDNESS SCALE 6.5 - 7
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 6.5 - 7
POSSIBLE ENHANCEMENTS impregnated, oiled/waxed
PURPOSE OF ENHANCEMENT n/a
FREQUENCY rarely
STABILITY fair to good
CARE AND HANDLING Avoid sudden temperature changes, harsh chemicals, and ultrasonic cleaners.
CODE I, W
 
MOHS HARDNESS SCALE 6.5 - 7
POSSIBLE ENHANCEMENTS filled
PURPOSE OF ENHANCEMENT n/a
FREQUENCY rarely
STABILITY good
CARE AND HANDLING Avoid sudden temperature changes, harsh chemicals, and ultrasonic cleaners.
CODE FF
 
MOHS HARDNESS SCALE 6.5 - 7
POSSIBLE ENHANCEMENTS Bleaching
PURPOSE OF ENHANCEMENT To enhance durability
FREQUENCY commonly
STABILITY good
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 6 to 6.5
POSSIBLE ENHANCEMENTS None
PURPOSE OF ENHANCEMENT N/A
FREQUENCY N/A
STABILITY N/A
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT to create color
FREQUENCY commonly
STABILITY excellent
CARE AND HANDLING Normal Care
CODE H
 
GEMSTONE Q
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural
PURPOSE OF ENHANCEMENT Modify Hue | Improve
FREQUENCY always
STABILITY good
CARE AND HANDLING Avoid intense heat. Avoid harsh
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet
PURPOSE OF ENHANCEMENT To create color
FREQUENCY always
STABILITY Very good
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY always
STABILITY very good
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to create color
FREQUENCY always
STABILITY good
CARE AND HANDLING Avoid heat, harsh chemicals, and ultrasonic cleaners
Note: assemble
CODE A
 
MOHS HARDNESS SCALE 7-7.5
POSSIBLE ENHANCEMENTS Coated
PURPOSE OF ENHANCEMENT To create color
FREQUENCY frequently
STABILITY very good
CARE AND HANDLING Gentle care. Avoid abrasions. Chipping may reveal natural color. Cannot be re-cut or re-polished. Avoid heat, chemicals, and ultrasonic cleaners.
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS irradiated
PURPOSE OF ENHANCEMENT to create color
FREQUENCY usually
STABILITY good
CARE AND HANDLING Normal Care
CODE IR
 
MOHS HARDNESS SCALE 7 - 7.5
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY always
STABILITY good
CARE AND HANDLING Avoid heat, harsh chemicals, and ultrasonic cleaners
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY n/a
STABILITY very good
CARE AND HANDLING Normal Care
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY n/a
STABILITY very good
CARE AND HANDLING Normal Care
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY n/a
STABILITY very good
CARE AND HANDLING Normal Care
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to create color
FREQUENCY n/a
STABILITY good to very good
CARE AND HANDLING Normal Care
Note: assembled
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to create color
FREQUENCY n/a
STABILITY good to very good
CARE AND HANDLING Normal Care
Note: assembled
CODE A
 
MOHS HARDNESS SCALE 7-7.5
POSSIBLE ENHANCEMENTS Coated
PURPOSE OF ENHANCEMENT To create color
FREQUENCY frequently
STABILITY Gentle care. Avoid abrasions. Chipping may reveal natural color. Cannot be re-cut or re-polished. Avoid heat, chemicals, and ultrasonic cleaners.
CARE AND HANDLING
CODE
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY n/a
STABILITY very good
CARE AND HANDLING Normal Care
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY n/a
STABILITY very good
CARE AND HANDLING Normal Care
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY n/a
STABILITY very good
CARE AND HANDLING Normal Care
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY n/a
STABILITY very good
CARE AND HANDLING Normal Care
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY n/a
STABILITY very good
CARE AND HANDLING Normal Care
CODE A
 
MOHS HARDNESS SCALE 7-7.5
POSSIBLE ENHANCEMENTS Coated
PURPOSE OF ENHANCEMENT To create color
FREQUENCY frequently
STABILITY very good
CARE AND HANDLING Gentle care. Avoid abrasions. Chipping may reveal natural color. Cannot be re-cut or re-polished. Avoid heat, chemicals, and ultrasonic cleaners.
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Heating followed by cooling and Dyeing
PURPOSE OF ENHANCEMENT Create crackling and color
FREQUENCY usually
STABILITY good
CARE AND HANDLING Gentle care. Avoid abrasions. Chipping may reveal natural color. Cannot be re-cut or re-polished. Avoid heat, chemicals, and ultrasonic cleaners.
CODE
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS dyeing
PURPOSE OF ENHANCEMENT to create color
FREQUENCY usually
STABILITY good
CARE AND HANDLING Gentle care. Avoid abrasions. Chipping may reveal natural color. Cannot be re-cut or re-polished. Avoid heat, chemicals, and ultrasonic cleaners.
CODE D
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Coated
PURPOSE OF ENHANCEMENT to create color
FREQUENCY frequently
STABILITY very good
CARE AND HANDLING Gentle care. Avoid abrasions. Chipping may reveal natural color. Cannot be re-cut or re-polished. Avoid heat, chemicals, and ultrasonic cleaners.
CODE CVD
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT to create color
FREQUENCY occasionally
STABILITY excellent
CARE AND HANDLING Normal care
CODE HE
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Natural
PURPOSE OF ENHANCEMENT N/A
FREQUENCY N/a
STABILITY Good
CARE AND HANDLING Normal care
CODE n/a
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS None
PURPOSE OF ENHANCEMENT N/A
FREQUENCY N/A
STABILITY N/A
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE
 
MOHS HARDNESS SCALE 6.5 - 7
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY always
STABILITY very good
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY n/a
STABILITY very good
CARE AND HANDLING Normal Care
CODE A
 
MOHS HARDNESS SCALE 4.5 - 5
POSSIBLE ENHANCEMENTS Assembled
PURPOSE OF ENHANCEMENT to add color
FREQUENCY usually
STABILITY Good
CARE AND HANDLING Avoid heat, chemicals, ultrasonic cleaners, and repolishing.
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY n/a
STABILITY very good
CARE AND HANDLING Normal Care
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY n/a
STABILITY very good
CARE AND HANDLING Normal Care
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY n/a
STABILITY very good
CARE AND HANDLING Normal Care
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY n/a
STABILITY very good
CARE AND HANDLING Normal Care
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY n/a
STABILITY very good
CARE AND HANDLING Normal Care
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY n/a
STABILITY very good
CARE AND HANDLING Normal Care
CODE A
 
MOHS HARDNESS SCALE 7-7.5
POSSIBLE ENHANCEMENTS Coated
PURPOSE OF ENHANCEMENT To create color
FREQUENCY frequently
STABILITY very good
CARE AND HANDLING Gentle care. Avoid abrasions. Chipping may reveal natural color. Cannot be re-cut or re-polished. Avoid heat, chemicals, and ultrasonic cleaners.
CODE C
 
MOHS HARDNESS SCALE 7-7.5
POSSIBLE ENHANCEMENTS Coated
PURPOSE OF ENHANCEMENT To create color
FREQUENCY frequently
STABILITY very good
CARE AND HANDLING Gentle care. Avoid abrasions. Chipping may reveal natural color. Cannot be re-cut or re-polished. Avoid heat, chemicals, and ultrasonic cleaners.
CODE C
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY n/a
STABILITY very good
CARE AND HANDLING Normal Care
CODE A
 
MOHS HARDNESS SCALE 7-7.5
POSSIBLE ENHANCEMENTS Coated
PURPOSE OF ENHANCEMENT To create color
FREQUENCY frequently
STABILITY very good
CARE AND HANDLING Gentle care. Avoid abrasions. Chipping may reveal natural color. Cannot be re-cut or re-polished. Avoid heat, chemicals, and ultrasonic cleaners.
CODE C
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS irradiated; heated
PURPOSE OF ENHANCEMENT to induce color; to improve color
FREQUENCY always
STABILITY very good
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE IR; H
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY n/a
STABILITY very good
CARE AND HANDLING Normal Care
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY n/a
STABILITY very good
CARE AND HANDLING Normal Care
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY n/a
STABILITY very good
CARE AND HANDLING Normal Care
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY n/a
STABILITY very good
CARE AND HANDLING Avoid heat, harsh chemicals, and ultrasonic cleaners
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY n/a
STABILITY very good
CARE AND HANDLING Normal Care
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to create color
FREQUENCY n/a
STABILITY good to very good
CARE AND HANDLING Normal Care
Note: assembled
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy))
PURPOSE OF ENHANCEMENT to create color
FREQUENCY n/a
STABILITY good to very good
CARE AND HANDLING Normal Care
Note: assembled
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY n/a
STABILITY very good
CARE AND HANDLING Normal Care
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY n/a
STABILITY very good
CARE AND HANDLING Normal Care
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY n/a
STABILITY very good
CARE AND HANDLING Normal Care
CODE A
 
MOHS HARDNESS SCALE 7-7.5
POSSIBLE ENHANCEMENTS Coated
PURPOSE OF ENHANCEMENT To create color
FREQUENCY frequently
STABILITY very good
CARE AND HANDLING Gentle care. Avoid abrasions. Chipping may reveal natural color. Cannot be re-cut or re-polished. Avoid heat, chemicals, and ultrasonic cleaners.
CODE C
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS no treatment
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY very good
CARE AND HANDLING Avoid abrasives, ultrasonic, solvents and heat.
CODE C
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to create color
FREQUENCY n/a
STABILITY very good
CARE AND HANDLING Normal Care
Note: assembled
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY n/a
STABILITY very good
CARE AND HANDLING Normal Care
CODE A
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Triplet (two natural colorless quartz are joined together with a colored epoxy)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY always
STABILITY very good
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE
 
MOHS HARDNESS SCALE 6.5-7.0
POSSIBLE ENHANCEMENTS Dyed
PURPOSE OF ENHANCEMENT to improve durability and appearance
FREQUENCY commonly
STABILITY good
CARE AND HANDLING Avoid abrasives, ultrasonic, solvents and heat.
CODE D
 
GEMSTONE R
 
MOHS HARDNESS SCALE 3.5 - 4
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Rhodochrosite is soft, so be mindful of scratching and chipping.
CODE n/a
 
MOHS HARDNESS SCALE 5.5 - 6
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal, gentle handling
CODE n/a
 
MOHS HARDNESS SCALE 7 - 7.5
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT to improve color
FREQUENCY commonly
STABILITY excellent
CARE AND HANDLING Normal Care
CODE H
 
MOHS HARDNESS SCALE 7 - 7.5
POSSIBLE ENHANCEMENTS irradiated
PURPOSE OF ENHANCEMENT to improve color
FREQUENCY occasionally
STABILITY good
CARE AND HANDLING Normal Care
CODE IR
 
MOHS HARDNESS SCALE 7 - 7.5
POSSIBLE ENHANCEMENTS oiled/resin infused
PURPOSE OF ENHANCEMENT to improve color
FREQUENCY occasionally
STABILITY fair to good
CARE AND HANDLING Avoid temperature changes, steaming, chemicals, and ultrasonic cleaners.
CODE O
 
MOHS HARDNESS SCALE 7 - 7.5
POSSIBLE ENHANCEMENTS dyed/stained
PURPOSE OF ENHANCEMENT to improve color
FREQUENCY rarely
STABILITY poor to fair
CARE AND HANDLING Avoid temperature changes, steaming, chemicals, and ultrasonic cleaners.
CODE D
 
MOHS HARDNESS SCALE 9
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT to improve color
FREQUENCY usually
STABILITY good to excellent
CARE AND HANDLING Normal Care
CODE H
 
MOHS HARDNESS SCALE 9
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT to improve color
FREQUENCY usually
STABILITY good to excellent
CARE AND HANDLING Normal Care
CODE H
 
MOHS HARDNESS SCALE 9
POSSIBLE ENHANCEMENTS fissure filled/Diffused
PURPOSE OF ENHANCEMENT to improve durability and appearance and Phenomena
FREQUENCY commonly
STABILITY fair to good
CARE AND HANDLING Avoid harsh chemicals, steam cleaners, and ultrasonic cleaners.
CODE FF
 
MOHS HARDNESS SCALE 9
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT to improve durability and appearance and Phenomena
FREQUENCY commonly
STABILITY good to excellent
CARE AND HANDLING Normal Care
CODE H
 
MOHS HARDNESS SCALE 9
POSSIBLE ENHANCEMENTS fissure filled
PURPOSE OF ENHANCEMENT to improve durability and appearance
FREQUENCY commonly
STABILITY fair to good
CARE AND HANDLING Avoid harsh chemicals, steam cleaners, and ultrasonic cleaners.
CODE FF
 
MOHS HARDNESS SCALE 9
POSSIBLE ENHANCEMENTS Heated
PURPOSE OF ENHANCEMENT to add color
FREQUENCY always
STABILITY very good
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE
 
MOHS HARDNESS SCALE 6.5 to 7
POSSIBLE ENHANCEMENTS None
PURPOSE OF ENHANCEMENT N/A
FREQUENCY N/A
STABILITY N/A
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE
 
GEMSTONE S
 
MOHS HARDNESS SCALE 9
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT to add color
FREQUENCY commonly
STABILITY very good
CARE AND HANDLING Avoid repolishing/recutting.
CODE H
 
MOHS HARDNESS SCALE 9
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT to improve color
FREQUENCY usually
STABILITY excellent
CARE AND HANDLING Normal Care
CODE H
 
MOHS HARDNESS SCALE 9
POSSIBLE ENHANCEMENTS surface diffused
PURPOSE OF ENHANCEMENT to improve color
FREQUENCY occasionally
STABILITY good
CARE AND HANDLING Avoid repolishing/re-cutting.
CODE DF
 
MOHS HARDNESS SCALE 9
POSSIBLE ENHANCEMENTS diffused
PURPOSE OF ENHANCEMENT to improve color
FREQUENCY occasionally
STABILITY excellent
CARE AND HANDLING Normal Care
CODE DF
 
MOHS HARDNESS SCALE 9
POSSIBLE ENHANCEMENTS filled/cobalt + lead glass
PURPOSE OF ENHANCEMENT to improve color
FREQUENCY rarely
STABILITY fair to good
CARE AND HANDLING Avoid chemicals, ultrasonic cleaners, and abrupt temperature changes.
CODE FF
 
MOHS HARDNESS SCALE 9
POSSIBLE ENHANCEMENTS irradiated
PURPOSE OF ENHANCEMENT to improve color
FREQUENCY occasionally
STABILITY very poor
CARE AND HANDLING Fades quickly in light or heat.
CODE IR
 
MOHS HARDNESS SCALE 9
POSSIBLE ENHANCEMENTS diffused or heated
PURPOSE OF ENHANCEMENT to add color
FREQUENCY commonly
STABILITY fair to good
CARE AND HANDLING Avoid repolishing/re-cutting.
CODE DF, H
 
MOHS HARDNESS SCALE 9
POSSIBLE ENHANCEMENTS None
PURPOSE OF ENHANCEMENT N/A
FREQUENCY N/A
STABILITY N/A
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE
 
MOHS HARDNESS SCALE 9
POSSIBLE ENHANCEMENTS fissure filled
PURPOSE OF ENHANCEMENT to improve durability and appearance
FREQUENCY always
STABILITY fair to good
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE
 
MOHS HARDNESS SCALE 9
POSSIBLE ENHANCEMENTS Heated
PURPOSE OF ENHANCEMENT to add color
FREQUENCY always
STABILITY very good
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE
 
MOHS HARDNESS SCALE 9
POSSIBLE ENHANCEMENTS diffused or heated
PURPOSE OF ENHANCEMENT to add color
FREQUENCY commonly
STABILITY fair to good
CARE AND HANDLING Avoid repolishing/re-cutting.
CODE DF, H
 
MOHS HARDNESS SCALE 9
POSSIBLE ENHANCEMENTS no treatment
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY Very Good
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 9
POSSIBLE ENHANCEMENTS surface/Star diffused
PURPOSE OF ENHANCEMENT to add color
FREQUENCY occasionally
STABILITY good
CARE AND HANDLING Avoid repolishing/re-cutting.
CODE DF
 
MOHS HARDNESS SCALE 5.5 - 6
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Avoid chemicals, steam, ultrasonic cleaners and exposure to strong sunlight.
CODE n/a
 
MOHS HARDNESS SCALE 5.5 - 6
POSSIBLE ENHANCEMENTS Cobalt Treatment-Gamma Irradiation
PURPOSE OF ENHANCEMENT Enhance Color
FREQUENCY usually
STABILITY Good
CARE AND HANDLING Avoid chemicals, steam, ultrasonic cleaners and exposure to strong sunlight.
CODE IR
 
MOHS HARDNESS SCALE 2.5 - 5.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Avoid sudden temperature changes, chemicals, and ultrasonic cleaners.
CODE n/a
 
MOHS HARDNESS SCALE 2.5 - 5.5
POSSIBLE ENHANCEMENTS impregnated, waxed/oiled
PURPOSE OF ENHANCEMENT n/a
FREQUENCY commonly
STABILITY good to very good
CARE AND HANDLING Avoid ultrasonic chemicals and solvents.
CODE I, W
 
MOHS HARDNESS SCALE 2.0-4.0
POSSIBLE ENHANCEMENTS no treatment
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Avoid scratching, ultrasonic cleaners, harsh household chemicals, prolonged exposure to direct sunlight and excessive heat
CODE n/a
 
MOHS HARDNESS SCALE 7 - 7.5
POSSIBLE ENHANCEMENTS dyed/stained
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE D
 
MOHS HARDNESS SCALE 5 - 5.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Sphene requires no special care, though it is best suited for earrings and pendants due to its softness.
CODE n/a
 
MOHS HARDNESS SCALE 5 - 5.5
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT n/a
FREQUENCY rarely
STABILITY fair to good
CARE AND HANDLING Sphene requires no special care, though it is best suited for earrings and pendants due to its softness.
CODE H
 
MOHS HARDNESS SCALE 8
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 8
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 8
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 1.5 – 2.0
POSSIBLE ENHANCEMENTS stabilized
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Avoid sudden temperature changes, chemicals, rough handling, heat, and ultrasonic cleaners.
CODE n/a
 
MOHS HARDNESS SCALE 5.5
POSSIBLE ENHANCEMENTS None
PURPOSE OF ENHANCEMENT N/A
FREQUENCY N/A
STABILITY N/A
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE
 
MOHS HARDNESS SCALE 3.5 to 4
POSSIBLE ENHANCEMENTS None
PURPOSE OF ENHANCEMENT N/A
FREQUENCY N/A
STABILITY N/A
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE
 
MOHS HARDNESS SCALE 5 - 5.5
POSSIBLE ENHANCEMENTS lab created
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal, gentle handling Strontium Titanate is a soft stone, so be mindful of scratching.
CODE n/a
 
MOHS HARDNESS SCALE 6 - 6.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Avoid sudden temperature changes, chemicals, rough handling, heat, and ultrasonic cleaners.
CODE n/a
 
MOHS HARDNESS SCALE 6 - 6.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Avoid sudden temperature changes, chemicals, rough handling, heat, and ultrasonic cleaners.
CODE n/a
 
MOHS HARDNESS SCALE 6 - 6.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Avoid sudden temperature changes, chemicals, rough handling, heat, and ultrasonic cleaners.
CODE n/a
 
MOHS HARDNESS SCALE 5.0-5.5
POSSIBLE ENHANCEMENTS Coated
PURPOSE OF ENHANCEMENT To create color
FREQUENCY usually
STABILITY Good
CARE AND HANDLING Avoid rough handling, contact with water, harsh cleaners and extreme temperatures
CODE C
 
GEMSTONE T
 
MOHS HARDNESS SCALE 6.5 - 7
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT to improve color
FREQUENCY usually
STABILITY excellent
CARE AND HANDLING Care should be taken due to Tanzanite's relative softness. Avoid ultrasonic and steam cleaners. Avoid sudden temperature changes and rough handling.
CODE H
 
MOHS HARDNESS SCALE 6.5 - 7
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT to improve color
FREQUENCY always
STABILITY excellent
CARE AND HANDLING Care should be taken due to Tanzanite's relative softness. Avoid ultrasonic and steam cleaners. Avoid sudden temperature changes and rough handling.
CODE H
 
MOHS HARDNESS SCALE 6.5 - 7
POSSIBLE ENHANCEMENTS heating
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Care should be taken due to Tanzanite's relative softness. Avoid ultrasonic and steam cleaners. Avoid sudden temperature changes and rough handling.
CODE H
 
MOHS HARDNESS SCALE 6.5 - 7
POSSIBLE ENHANCEMENTS no treatment
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY Good
CARE AND HANDLING Care should be taken due to Tanzanite's relative softness. Avoid ultrasonic and steam cleaners. Avoid sudden temperature changes and rough handling.
CODE
 
MOHS HARDNESS SCALE 6.5 to 7
POSSIBLE ENHANCEMENTS None
PURPOSE OF ENHANCEMENT N/A
FREQUENCY N/A
STABILITY N/A
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE
 
MOHS HARDNESS SCALE 6-6.5
POSSIBLE ENHANCEMENTS Coated
PURPOSE OF ENHANCEMENT To enhance the durability and appearance
FREQUENCY commonly
STABILITY Good
CARE AND HANDLING Avoid abrasives, ultrasonic, solvents and heat.
CODE C
 
MOHS HARDNESS SCALE 6.0 - 7.0
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT N/a
FREQUENCY commonly
STABILITY n/a
CARE AND HANDLING normal care
CODE n/a
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT N/a
FREQUENCY rarely
STABILITY good to very good
CARE AND HANDLING Avoid harsh chemicals, ultrasonic cleaners, and steaming.
CODE H
 
MOHS HARDNESS SCALE 7
POSSIBLE ENHANCEMENTS Dyed
PURPOSE OF ENHANCEMENT N/a
FREQUENCY rarely
STABILITY good to very good
CARE AND HANDLING Avoid harsh chemicals, ultrasonic cleaners, and steaming.
CODE D
 
MOHS HARDNESS SCALE 8
POSSIBLE ENHANCEMENTS TCF (Thermal color fusion)
PURPOSE OF ENHANCEMENT to add color
FREQUENCY always
STABILITY fair
CARE AND HANDLING TCF process creates a hard, scratch-resistant ceramic layer that can withstand ultrasonic, magnetic pin, and acid-bath cleaning methods and also hold up under cast-in-place techniques. He also says the treatment contains no radiation and is not harmful to the environment.
CODE C
 
MOHS HARDNESS SCALE 8
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT to produce to blue color
FREQUENCY usually
STABILITY excellent
CARE AND HANDLING Normal Care
CODE H
 
MOHS HARDNESS SCALE 8
POSSIBLE ENHANCEMENTS irradiated
PURPOSE OF ENHANCEMENT to produce to blue color
FREQUENCY usually
STABILITY excellent
CARE AND HANDLING Normal Care
CODE IR
 
MOHS HARDNESS SCALE 8
POSSIBLE ENHANCEMENTS irradiation followed by heat (annealing)
PURPOSE OF ENHANCEMENT to produce to blue color
FREQUENCY usually
STABILITY excellent
CARE AND HANDLING Avoid steaming, ultrasonic cleaners, and abrupt temperature changes.
CODE IR, H
 
MOHS HARDNESS SCALE 8
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT to produce to blue color
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Normal Care
CODE n/a
 
MOHS HARDNESS SCALE 8
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT to produce to blue color
FREQUENCY usually
STABILITY excellent
CARE AND HANDLING Normal Care
CODE H
 
MOHS HARDNESS SCALE 8
POSSIBLE ENHANCEMENTS irradiated
PURPOSE OF ENHANCEMENT to produce to blue color
FREQUENCY usually
STABILITY excellent
CARE AND HANDLING Normal Care
CODE IR
 
MOHS HARDNESS SCALE 8
POSSIBLE ENHANCEMENTS irradiation followed by heat (annealing)
PURPOSE OF ENHANCEMENT to produce to blue color
FREQUENCY usually
STABILITY excellent
CARE AND HANDLING Avoid steaming, ultrasonic cleaners, and abrupt temperature changes.
CODE IR, H
 
MOHS HARDNESS SCALE 8
POSSIBLE ENHANCEMENTS Heated/Irradiated
PURPOSE OF ENHANCEMENT to add color
FREQUENCY always
STABILITY very good
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE
 
MOHS HARDNESS SCALE 8
POSSIBLE ENHANCEMENTS Coated
PURPOSE OF ENHANCEMENT to create color
FREQUENCY always
STABILITY very good
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE C
 
MOHS HARDNESS SCALE 8
POSSIBLE ENHANCEMENTS CVD coated
PURPOSE OF ENHANCEMENT to add color
FREQUENCY commonly
STABILITY very good
CARE AND HANDLING Avoid repolishing, scratching or abrading - color coating may be chipped or scratched off.
CODE CVD
 
MOHS HARDNESS SCALE 8
POSSIBLE ENHANCEMENTS CVD coated
PURPOSE OF ENHANCEMENT to add color
FREQUENCY commonly
STABILITY very good
CARE AND HANDLING Avoid repolishing, scratching or abrading - color coating may be chipped or scratched off.
CODE CVD
 
MOHS HARDNESS SCALE 8
POSSIBLE ENHANCEMENTS n/a
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING n/a
CODE n/a
 
MOHS HARDNESS SCALE 8
POSSIBLE ENHANCEMENTS CVD Coated
PURPOSE OF ENHANCEMENT to add color
FREQUENCY commonly
STABILITY very good
CARE AND HANDLING Avoid repolishing, scratching or abrading - color coating may be chipped or scratched off.
CODE CVD
 
MOHS HARDNESS SCALE 8
POSSIBLE ENHANCEMENTS Coated
PURPOSE OF ENHANCEMENT to add color
FREQUENCY Always
STABILITY very good
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE C
 
MOHS HARDNESS SCALE 7 to 7.5
POSSIBLE ENHANCEMENTS Heated
PURPOSE OF ENHANCEMENT to add color
FREQUENCY always
STABILITY very good
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE
 
MOHS HARDNESS SCALE 7 to 7.5
POSSIBLE ENHANCEMENTS Heated
PURPOSE OF ENHANCEMENT to add color
FREQUENCY always
STABILITY very good
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE
 
MOHS HARDNESS SCALE 7 - 7.5
POSSIBLE ENHANCEMENTS heated
PURPOSE OF ENHANCEMENT to improve color
FREQUENCY rarely
STABILITY stable
CARE AND HANDLING Normal Care
CODE H
 
MOHS HARDNESS SCALE 6.5 - 7.0
POSSIBLE ENHANCEMENTS no treatment
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY Good
CARE AND HANDLING Avoid abrasives, ultrasonic, solvents and heat.
CODE n/a
 
MOHS HARDNESS SCALE 5 - 6
POSSIBLE ENHANCEMENTS Dyed
PURPOSE OF ENHANCEMENT to enhance color
FREQUENCY commonly
STABILITY good
CARE AND HANDLING Avoid hot water, harsh household chemicals, and ultrasonic cleaners.
CODE D
MOHS HARDNESS SCALE 5 - 6
POSSIBLE ENHANCEMENTS Zachary process
PURPOSE OF ENHANCEMENT to improve durability and appearance
FREQUENCY commonly
STABILITY very good
CARE AND HANDLING Avoid hot water, harsh household chemicals, and ultrasonic cleaners.
CODE Z
 
MOHS HARDNESS SCALE 5 - 6
POSSIBLE ENHANCEMENTS stabilization, Zachery process
PURPOSE OF ENHANCEMENT improve durability and appearance
FREQUENCY commonly
STABILITY very good
CARE AND HANDLING Normal Care. Avoid heat, chemicals, ultrasonic and steam cleaners.
CODE S,Z
 
MOHS HARDNESS SCALE 5 - 6
POSSIBLE ENHANCEMENTS impregnated
PURPOSE OF ENHANCEMENT to improve appearance
FREQUENCY commonly
STABILITY good
CARE AND HANDLING Avoid hot water, household chemicals, and ultrasonic cleaners.
CODE I
 
MOHS HARDNESS SCALE 5 - 6
POSSIBLE ENHANCEMENTS impregnated, waxed/oiled
PURPOSE OF ENHANCEMENT to improve appearance
FREQUENCY commonly
STABILITY poor to fair
CARE AND HANDLING Avoid hot water, household chemicals, and ultrasonic cleaners.
CODE I, W
 
MOHS HARDNESS SCALE 5 - 6
POSSIBLE ENHANCEMENTS dyed/stained
PURPOSE OF ENHANCEMENT to improve appearance
FREQUENCY rarely
STABILITY poor
CARE AND HANDLING Avoid hot water, harsh household chemicals, and ultrasonic cleaners.
CODE D
 
MOHS HARDNESS SCALE 5 - 6
POSSIBLE ENHANCEMENTS stabilized
PURPOSE OF ENHANCEMENT to improve appearance
FREQUENCY commonly
STABILITY good
CARE AND HANDLING Avoid hot water, harsh household chemicals, and ultrasonic cleaners.
CODE S
 
MOHS HARDNESS SCALE 5 - 6
POSSIBLE ENHANCEMENTS Zachary process
PURPOSE OF ENHANCEMENT to improve durability and appearance
FREQUENCY commonly
STABILITY very good
CARE AND HANDLING Avoid hot water, harsh household chemicals, and ultrasonic cleaners.
CODE Z
 
MOHS HARDNESS SCALE 5 - 6
POSSIBLE ENHANCEMENTS Zachary process
PURPOSE OF ENHANCEMENT to improve durability and appearance
FREQUENCY commonly
STABILITY very good
CARE AND HANDLING Avoid hot water, harsh household chemicals, and ultrasonic cleaners.
CODE Z
 
GEMSTONE U - V
 
MOHS HARDNESS SCALE 3.5-4.5
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Color may fade in strong light.
CODE n/a
 
MOHS HARDNESS SCALE 6.5
POSSIBLE ENHANCEMENTS no treatment
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Avoid Scratching
CODE n/a
 
MOHS HARDNESS SCALE 1.5 - 2.0
POSSIBLE ENHANCEMENTS none
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY good
CARE AND HANDLING Vivianite needs to be cared for by keeping it indoors and not exposing it to sunlight for too long as the UV rays will darken it, and if left out it will go completely black.
CODE n/a
 
GEMSTONE W - Z
 
MOHS HARDNESS SCALE 6.5 - 7
POSSIBLE ENHANCEMENTS Heated
PURPOSE OF ENHANCEMENT To enhance color
FREQUENCY usually
STABILITY good
CARE AND HANDLING Avoid harsh abrasives
CODE H
 
MOHS HARDNESS SCALE 6.5 - 7
POSSIBLE ENHANCEMENTS Heated
PURPOSE OF ENHANCEMENT To enhance color
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Avoid harsh abrasives and strong light.
CODE n/a
 
MOHS HARDNESS SCALE 6.5 - 7
POSSIBLE ENHANCEMENTS no treatment
PURPOSE OF ENHANCEMENT n/a
FREQUENCY n/a
STABILITY n/a
CARE AND HANDLING Avoid abrasives, ultrasonic, solvents and heat.
CODE n/a
 
MOHS HARDNESS SCALE 8
POSSIBLE ENHANCEMENTS Thermal Color Fusing
PURPOSE OF ENHANCEMENT to improve color
FREQUENCY usually
STABILITY good
CARE AND HANDLING Normal Care
CODE TCF