Mining » Metals' Info » Micas Description

Description

The mica collection of sheet silicate minerals includes several intimately related materials having highly perfect basal cleavage. All are monoclinic with a propensity towards pseudo-hexagonal crystals and are like in chemical composition.

Rocks Found In Mineral

Andesitic igneous rocks

Chemical Formula

Biotite:K(Mg, Fe)3Si3O10(OH)2 Muscovite:KAl3Si3O10(OH)2

Domestic production and use

Window glass