mica mineral biotite

  • Biotite can connect you to healing energies. Discover how.

    Jul 06, 2018 · Biotite Properties Biotite is a mineral that's named after French physicist Jean Baptist who studied and researched about it for its optical properties. It is also known as Black Mica. It usually occurs in rust, golden brown, reddish

  • Biotite Mica Mineral | Physical and Optical Properties ...

    biotite mineral; Biotite is the most common mica mineral and also known as black mica, a silicate mineral in the common mica group. Approximate chemical formula K (Mg, Fe). It can be found in massive crystal layers weighing several hundred pounds.