معنی کلمه : biotite
English
Covered with a mitten or mittens. "Mittened hands." Whittier.
Mica containing iron and magnesia, generally of a black or dark green color; -- a common constituent of crystalline rocks. See Mica.

Covered with a mitten or mittens. "Mittened hands." Whittier.
Mica containing iron and magnesia, generally of a black or dark green color; -- a common constituent of crystalline rocks. See Mica.