Muscovite and Kyanite Physical Properties

Muscovite

Kyanite

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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

2.78-2.883.53-3.65

1 7.18

1.5 Fracture

Micaceous, Brittle

Splintery, Brittle, Metallic

1.6 Cleavage

Perfect on the {001}

[100] perfect [010] imperfect with 79° angle between

1.7 Mohs Hardness

2-34-7

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 Kyanite Chemical Formula

While comparing Muscovite and Kyanite 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 Kyanite 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 Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Muscovite and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Muscovite and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Muscovite is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.