Ametrine 8mm Round A Grade - 15-16 Inch 4x20-6x40mm Sonora Jasper is the trade

Sonora Jasper is the trade name for Sonora Dendritic

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

Fire Opal is a transparent or translucent stone named for the vivid red

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

Ametrine 8mm Round A Grade - 15-16 Inch 4x20-6x40mm Sonora Jasper is the tradeAmetrine 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.