Gemstone Information Mica Meaning and Properties Fire ...
The gem mica is predominantly found in Brazil, Russia, Africa, India and Pakistan. Mineral Information: Silicate: Chemical Composition: KAl2(AlSi3O10)(F,OH)2: Color: Brown, colorless, gray, green, red, violet, white, yellow: Hardness: 21/2 (Mohs) Specific Gravity: : Proper Care of Mica Mica is a delicate stone with a Mohs hardness of only 2 ...