Biotite 6mm Round Orange - 15-16 Inch India The most precious Fire Opal

The most precious Fire Opal has flashes of iridescence and is known as Precious Fire Opal or “Firmament Stone

phlogopite

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

Biotite 6mm Round Orange - 15-16 Inch India The most precious Fire OpalBiotite 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