Sapphire and Muscovite Physical Properties

Sapphire

Muscovite

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1 Physical Properties

1.1 Tenacity

Not Available

Elastic

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.032.78-2.88

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Micaceous, Brittle

1.6 Cleavage

None, but may exhibit parting

Perfect on the {001}

1.7 Mohs Hardness

92-3

2 10

1.8 Chemical Composition

Al ₂ O ₃

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

Sapphire and Muscovite Chemical Formula

While comparing Sapphire 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 Sapphire and Muscovite chemical formula.

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

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Sapphire and Muscovite Specific Gravity

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