Biotite 6mm Round Orange - 15-16 Inch African Blue Opal Amazonite is a member of

Amazonite is a member of the feldspar family

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors

Mined in Hubei China

Rose Quartz is a silicon dioxide crystal and one of the most common varieties of the Quartz family

Biotite 6mm Round Orange - 15-16 Inch African Blue Opal Amazonite is a member ofBiotite is a name used for a large group of black mica minerals that are commonly found in igneous and metamorphic rocks. These include annite, phlogopite, siderophyllite, fluorophlogopite, fluorannite, eastonite, and many others. The name "biotite" is used because these minerals generally cannot be distinguished without optical, chemical, or x ray analysis. Biotite was named in honor of the French physicist Jean Baptiste Biot, who performed early