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Gem School

Mineral: Quartz
Colour: Purple and yellow
Moh's Hardness: 7
Birthstone: February / November

Ametrine comes from the quartz family and is a rare combination of both citrine and amethyst, making it both yellow and purple. This quality is often described as bi-colored. The only commercial source for this gem is the Anahi Mine in Bolivia, making supply very limited. Two ametrines never look the same as the colours combine in unique ways. This makes it the perfect gem if you are after a one-of-a-kind stone.


It is said that a Spanish conquistador discovered the ametrine mine in Bolivia in the 1600s and brought back this never before seen gem as a gift for the Queen. The mine had been given to him as a gift when he married a native princess named Anahi from the Ayoreos tribe. The mine was then lost for 300 years and rediscovered only in the 1960s, it’s location is still remote to this day.


Ametrine is a hard stone suitable for everyday wear as long as it’s treated carefully. If worn for many years, it might require repolishing by a gem cutter. To clean, soak in warm soapy water and gently scrub with a soft brush. Some ametrine can fade over time with exposure to intense light so it’s best stored in a dark place, away from strong direct light. Avoid acids, alkaline solutions and harsh chemicals.

Ametrine Pieces

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