Golden Obsidian 10x14mm Barrel - Large Hole Beads HPS04212022 Biotite was named in honor

Biotite was named in honor of the French physicist Jean-Baptiste Biot

sometimes brecciated patterns

which is itself a form of Muscovite

It is commonly found in the weathering of primary iron minerals and in iron ore deposits

and patterns

Golden Obsidian 10x14mm Barrel - Large Hole Beads HPS04212022 Biotite was named in honorGolden Obsidian is a naturally occurring volcanic glass, shiny black with a golden sheen. Obsidian is produced when lava erupts from a volcano and cools rapidly with minimal crystal growth. It is sometimes used for scalpel blades in cardiac surgery, as Obsidian can be formed into a blade many times sharper than steel surgical blades.