Biotite 6mm Round Orange - 15-16 Inch India A manganese carbonate material of

A manganese carbonate material of the Calcite group

It was first found in a deposit near Shunga village

phlogopite

second only to diamond

Biotite 6mm Round Orange - 15-16 Inch India A manganese carbonate material 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