Kyanite and Muscovite Physical Properties

Kyanite

Muscovite

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1 Physical Properties

1.1 Tenacity

Brittle

Elastic

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.53-3.652.78-2.88

1 7.18

1.5 Fracture

Splintery, Brittle, Metallic

Micaceous, Brittle

1.6 Cleavage

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

Perfect on the {001}

1.7 Mohs Hardness

4-72-3

2 10

1.8 Chemical Composition

Not Available

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

Kyanite and Muscovite Chemical Formula

While comparing Kyanite and Muscovite 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 Kyanite and Muscovite 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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Kyanite and Muscovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Muscovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Muscovite Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 2.78-2.88 whereas that of Muscovite is 2.78-2.88.