Biotite 6mm Round Orange - 15-16 Inch Shattuckite6mm usually in white on hues

usually in white on hues of brown

although sometimes mistaken for Jasper

created when silica hardens within the fissures of other stones

Selenite is a crystal formed from the mineral gypsum

Goldstone is a manmade material

Biotite 6mm Round Orange - 15-16 Inch Shattuckite6mm usually in white on huesBiotite 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