Rock Identifier
Muscovite Mica (Muscovite (KAl2(AlSi3O10)(OH)2)) — mineral
mineral

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

AI-generated identification · may be incorrect

Hardness of 2-2.5 on the Mohs scale, golden to brown color, pearly to vitreous luster, monoclinic crystal system, and perfect basal cleavage.

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Physical properties

Hardness of 2-2.5 on the Mohs scale, golden to brown color, pearly to vitreous luster, monoclinic crystal system, and perfect basal cleavage.

Formation & geological history

Forms in igneous and metamorphic environments, particularly in pegmatites, granites, and schists through hydrothermal processes.

Uses & applications

Used in electrical insulators, paints, plastics, cosmetics for pearlescent sheen, and as a refractory mineral.

Geological facts

Muscovite is known for its ability to split into exceptionally thin, flexible, and transparent sheets, historically used as window glass.

Field identification & locations

Easily identified by its distinct sheet-like cleavage and sparkling, micaceous luster. Found globally in pegmatite veins.