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Gemspedia >> Gems >> Introduction to Gemstones >> Ametrine



Bi-color gem

Major Sources


Colors Found

Golden & violet


Quartz: SiO2



Refractive Index

1.54–1.55; Uniaxial (+)

Specific Gravity


Crystal System





Ametrine is one of the world’s most unusual gemstones in that it is actually two gems in one. Bi-color ametrine blends the golden sunburst of citrine with the violet sunset of amethyst.

Legends and lore

Ametrine is said to posses all the metaphysical benefits of both amethyst and citrine, as well its own unique properties. Ametrine is said to aid in meditation, relieve tension, disperse negativity and help eliminate prejudice.


Just the facts

The unusual color variation found in ametrine is due to the presence of iron in different oxidation states within the crystalline structure, forming color centers. Exactly how this occurs is not fully understood.


The world’s main source of ametrine, the Bolivian Anahi Mine became famous in the 17th century when a Spanish conquistador received it as a dowry after marrying an Ayoreos princess named Anahi.


Ametrine has only been readily available to the consumer market since 1980 when material from the Anahi Mine in Bolivia began to appear in larger quantities. Before this it was considered to be quite unusual and was also known as amethyst-citrine quartz, trystine or golden amethyst.

The color split is usually highlighted by cutting the gem into long shapes ideal for rings, earrings and necklaces. Larger ametrine gemstones make particularly enchanting pendants, perfect for evening wear. A fine split in the colors and color intensity are the most important aspects to consider when evaluating ametrine. Ametrine is an amazing gemstone with a split personality. When handcrafting ametrine jewelry we always try to ensure that both the amethyst and the citrine are clearly visible to the naked eye.


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