Muscovite and Sapphire Physical Properties

Muscovite

Sapphire

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1 Physical Properties

1.1 Tenacity

Elastic

Not Available

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.78-2.883.95-4.03

1 7.18

1.5 Fracture

Micaceous, Brittle

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Perfect on the {001}

None, but may exhibit parting

1.7 Mohs Hardness

2-39

2 10

1.8 Chemical Composition

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

Al ₂ O ₃

Muscovite and Sapphire Chemical Formula

While comparing Muscovite and Sapphire 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 Sapphire 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 Sapphire- Al ₂ O ₃

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Muscovite and Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Muscovite and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Muscovite and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Muscovite is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.