Muscovite

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Physical & Optical Properties

Category Collector Gems
Mohs Hardness 2,0 – 3,0
Specific Gravity 2,78 – 2,88
Refractive Index 1,552 – 1,618
Crystal System Monoclinic
Luster Vitreous,Pearly
Color various
Pleochroism Weak when colored.

Mohs Hardness

1 Talc 2 Gypsum 3 Calcite 4 Fluorite 5 Apatite 6 Orthoclase 7 Quartz 8 Topaz 9 Corundum 10 Diamond Muscovite
Mohs hardness of Muscovite shown against the ten reference minerals, from talc (1) to diamond (10).
Mohs Reference mineral Muscovite
1 Talc
2 Gypsum
3 Calcite
4 Fluorite
5 Apatite
6 Orthoclase
7 Quartz
8 Topaz
9 Corundum
10 Diamond

Crystal System

β a b c Monoclinic a ≠ b ≠ c, α = γ = 90°, β ≠ 90°

Value & Market

Price Tier Budget (< $50/ct)

Where to Buy Muscovite

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About Muscovite

La muscovita es la mica más común, un filosilicato de potasio y aluminio que forma láminas hexagonales de color incoloro a plateado, amarillo, verde claro o rosa con lustre aperlado y perfecta exfoliación basal. Utilizada durante siglos como sustituto del vidrio en ventanas —conocida como «vidrio de Moscovia»— es hoy en día imprescindible en la industria eléctrica como aislante y en cosméticos como efecto perlado. Sus cristales de gran tamaño en pegmatitas son icónicos en mineralogía y se encuentran en todo el mundo.

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Frequently Asked Questions

What is Muscovite?
La muscovita es la mica más común, un filosilicato de potasio y aluminio que forma láminas hexagonales de color incoloro a plateado, amarillo, verde claro o rosa con lustre aperlado y perfecta exfoliación basal. Utilizada durante siglos como sustituto del vidrio en ventanas —conocida como «vidrio de
What is the hardness of Muscovite?
Muscovite has a Mohs hardness of 2.0 to 3.0, making it relatively soft for use in jewelry.
What color is Muscovite?
Muscovite is primarily Various.
How much does Muscovite cost?
Muscovite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Muscovite?
Muscovite belongs to the Monoclinic crystal system.