Muscovite and Sylvite Physical Properties

Muscovite

Sylvite

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1 Physical Properties

1.1 Tenacity

Elastic

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.78-2.881.993

1 7.18

1.5 Fracture

Micaceous, Brittle

Uneven, Brittle

1.6 Cleavage

Perfect on the {001}

Perfect on [100], [010], [001]

1.7 Mohs Hardness

2-32.5

2 10

1.8 Chemical Composition

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

Not Available

Muscovite and Sylvite Chemical Formula

While comparing Muscovite and Sylvite 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 Sylvite chemical formula.

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

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Muscovite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Muscovite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Muscovite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Muscovite is 1.993 whereas that of Sylvite is 1.993.