Its incredible rarity and beauty has skyrocketed tanzanite gemstone to the highest ranks of the gemstone kingdom. A thousand times rarer than diamond, the kaleidoscope of blues and violets captivate and allure. Tanzanite is a blue-violet variety of the mineral zoisite. Its colors vary from deep, dark royal blue with flashes of red to light cornflower or periwinkle blue. The deepest blues are the rarest and have more value than the light-colored tanzanite. The flattering cornflower blue and lilac shades are popular and affordable options.
What is Tanzanite ?
Tanzanite gemstone is famous for having multidimensional color and being exceptionally brilliant. It exhibits a strong amount of pleochroism, meaning that it appears different colors when viewed from different angles. Tanzanite has a special three-dimensional version of pleochroism, making it a trichroic specimen. This gem shifts between shades of blue, violet and burgundy.
Tanzanite has a single source in Tanzania. Recently, deeper mining practices have unearthed extremely rare pink, orange, yellow and green varieties of Tanzanite Blue tanzanite undergoes a mild heat treatment to enhance its color. However, this process merely complements the natural geological process, and there is no chemical or structural difference between heated and unheated tanzanite.
Types of Tanzanite
Named after the sea-blue color seen on the beautiful Bondi Beach in Australia this exotic gemstone displays the revered deep blues of tanzanite tinged with rich green.
Green Tanzanite hit the market about 20 years ago and is similar in color to chrome tourmaline. Like other tanzanite this gem is famous for having multidimensional color and being exceptionally brilliant.
• The world's largest faceted natural tanzanite is 737.81 carats. The largest rough crystal weighs 16,839 carats (more than six pounds).
• Tanzanite has been called the stone of transmutation, owing to its pleochroism properties. It is thought to aid in exploring psychic abilities and overcoming communication difficulties.
• Tanzanite stone creates a calm and soothing work environment, providing solutions to problems when there seems to be none.
• Crystal healers use tanzanite gemstone to strengthen the immune system, detoxify the blood and improve vitality. It is also thought to protect against the side-effects of medicine or surgery.
The world's only known source of tanzanite was discovered deep in the foothills of Mount Kilimanjaro in Tanzania, East Africa in 1967. Geologists say the chemical environment required to form this gem is so unique that the probability of mining tanzanite from another source is less than one in a million. The quality and quantity of gem deposits vary and the production of sellable rough is not consistent at all depths. If other deposits are not located (and that seems unlikely), geologists estimate the original supply of tanzanite will dry up within 30 years.
• Ranks 6.5 on the Mohs hardness scale.
• Colors display a base of green with a red-violet and blue pleochromatic shift.
• Sourced from Tanzania.
• Member of the zoisite family.
• Also known as green zoisite ocean peacock or chameleon tanzanite.
• Birthstone for December.
• Traditional gift for 24th anniversary.
No other gemstone commands more reverence than a tanzanite. A variety of the mineral zoisite, tanzanite exhibits a special three-dimensional version of pleochroism making it a tri-color specimen. As a result this gem blends the shade of blue, violet and burgundy. Tanzanite was first discovered in the late 1960’s, deep in the foothills of Mt Kilimanjaro in Tanzania. The area’s unique geological conditions make the probability of finding tanzanite anywhere in the world less than one in a million, making this gemstone estimated to be one thousand times rarer than a diamond. It rank 6.5 on the Mohs scale of hardness and in 2002 become the official modern gemstone of December, marking as the first change to the modern list since it was created in 1912.