Ametrine 10mm Round A Grade - 15-16 Inch Stone Type_Green Garnet It was originally found in

It was originally found in the Ural mountains of Russia

but unlike rubies

Naturally beautiful

Sometimes called the "Black Prince's Ruby" for its role in the English crown

who performed early research into the many optical properties of mica

Ametrine 10mm Round A Grade - 15-16 Inch Stone Type_Green Garnet It was originally found inAmetrine is quartz that occurs in bands of purple and yellow. As the name suggests, it is a combination of Amethyst and Citrine. The different colored zones in the stone result from different oxidation states of iron, due to exposure to different temperatures during its formation. It is believed that Ametrine was first introduced to Europe by a conquistadors gift from Bolivia to the Spanish Queen.