mineral
Muscovite
KAl2(AlSi3O10)(OH)2
AI-generated identification · may be incorrectHardness is 2-2.5 on the Mohs scale, color ranges from colorless to grey, brown, or green, and it features a vitreous to pearly luster with perfect basal cleavage.
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Physical properties
Hardness is 2-2.5 on the Mohs scale, color ranges from colorless to grey, brown, or green, and it features a vitreous to pearly luster with perfect basal cleavage.
Formation & geological history
Formed in igneous and metamorphic rocks like granitic pegmatites and schists through regional metamorphism and hydrothermal processes.
Uses & applications
Used in electrical insulation, paints, plastics, and cosmetics due to its heat resistance and flaky cleavage.
Geological facts
Muscovite is the most common mineral of the mica family and was historically used as a glass substitute in windows.
Field identification & locations
Easily identified in the field by its distinct sheet-like cleavage and flexible, elastic flakes; commonly found worldwide in pegmatite veins.
