
mineral
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
AI-generated identification · may be incorrectHardness 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.