Ametrine 10mm Round A Grade - 15-16 Inch Stone Type_Green Garnet It has a hardness of

It has a hardness of 8 on the Mohs hardness scale

It was originally found in the Ural mountains of Russia

but unlike rubies

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

Read more about "DZI" beads in our blog "Heaven's Beads - DZI Beads Explained"

Ametrine 10mm Round A Grade - 15-16 Inch Stone Type_Green Garnet It has a hardness ofAmetrine 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.