Biotite 6mm Round Orange - 15-16 Inch India Peruvian Opal was considered by

Peruvian Opal was considered by the Incas to be a gift from Pachamama

mineral deposits can create stone in the place of the decaying wood

from deep oranges to creamy off-white tones

phlogopite

second only to diamond

Biotite 6mm Round Orange - 15-16 Inch India Peruvian Opal was considered byBiotite 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