Opal opulence takes on a striking new hue with Sierra Madre purple opal. Luminous opal takes on a royal purple base color thanks to the presence of fluorite during the formation of this stone.

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The development of this gemstone started millions of years ago far beneath the Sierra Madre Mountain Range of Central Mexico when a mixture of silica and water flowed into cracks and holes in the ground. Deposits of fluorite infused with the silica giving Sierra Madre purple opal its unique and outstanding color. Over time this mixture hardened and solidified transforming into a luminous purple opal gemstone.

Sierra Madre purple opal has an incredible natural hue. Unlike other opals which diffuse more light and show more dramatic opal fire this opal's beauty is found more in its depth of the color and subtle opalescent glow.

The name opal evolved from the Roman word "opalus" which traces its roots from the Greek's "opallios " meaning to see a change of color. This Greek word is likewise a revision of the ancient Indian Sanskrit's "upala " which means precious stone.

Some opals are hydrophanes meaning that they can soak up water like a sponge. When hydrated the stone becomes more translucent and the play of colors more defined.



• Aboriginal Australians believe that opals came to be when their creator came down to earth on a rainbow to bring the message of peace to mankind. He breathed life into the stones he stepped on and they started sparkling in all the colors of the rainbow.

• Opals are often considered a lucky charm that brings beauty success and happiness to its wearer.

• The ancient Greeks believed that opals brought powers of foresight and prophecy.

• The Romans considering them to be the symbol of hope and purity.

• Ancient Arabs believed that opals fell from the heavens in flashes of lightning. Based on this tradition opals were believed to protect against lightning strikes and bad elements.

• Queen Victoria was a fan of opals. Her five daughters and immediate circle received gifts containing this fine gemstone. It became a much coveted piece since the Royal Court of Britain was considered the model for fashion at the time.

• William Shakespeare called the opal the "Queen of Gems" in his comedy Twelfth Night.

Disclaimer: Use of any stone or mineral is not a substitute for professional medical care or treatment, and nothing herein constitutes medical advice, diagnosis, or treatment. Information provided should not be used to treat any illness, injury, medical condition, or ailment without prior consultation with a qualified health professional.



Location: Mexico

This purple opal is mined from the Sierra Madre mountain ranges of Central Mexico.



  • Ranks 5.5 to 6 on the Mohs hardness scale.
  • Colors display a mottled purple and white or dark purple with subtle opalescence.
  • Member of the opal family.
  • Birthstone for October.
  • Traditional gift for 18th and 34th anniversaries.