Ruby and Muscovite Physical Properties

Ruby

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

3.97-4.052.78-2.88

1 7.18

1.5 Fracture

Conchoidal

Micaceous, Brittle

1.6 Cleavage

No true cleavage

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

Ruby and Muscovite Chemical Formula

While comparing Ruby 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 Ruby and Muscovite chemical formula.

Chemical formula of Ruby- 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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Ruby and Muscovite Specific Gravity

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