Ametrine 8mm Round A Grade - 15-16 Inch 4x20-6x40mm It was originally named for

It was originally named for the visible inclusions of the mineral Cacoxenite

Elephant Skin Jasper

It is a variety of the mineral corundum

The stone's composition remains somewhat ambiguous

It is the most abundant lithium-bearing mineral as well as a significant source of the rare alkali metals rubidium and caesium

Ametrine 8mm Round A Grade - 15-16 Inch 4x20-6x40mm It was originally named forAmetrine 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.