Muscovite and Quartz Physical Properties

Muscovite

Quartz

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1 Physical Properties

1.1 Tenacity

Elastic

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.78-2.882.65

1 7.18

1.5 Fracture

Micaceous, Brittle

Conchoidal, Conchoidal, Brittle, Gems

1.6 Cleavage

Perfect on the {001}

{0110} Indistinct

1.7 Mohs Hardness

2-37

2 10

1.8 Chemical Composition

KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

SiO₂

Muscovite and Quartz Chemical Formula

While comparing Muscovite and Quartz physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Muscovite and Quartz chemical formula.

Chemical formula of Muscovite- KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Quartz- SiO₂

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Muscovite and Quartz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Muscovite and Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Muscovite and Quartz Optical Properties during the identification of gemstone. Specific gravity of Muscovite is 2.65 whereas that of Quartz is 2.65.