Sard and Muscovite Physical Properties

Sard

Muscovite

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1 Physical Properties

1.1 Tenacity

Not Available

Elastic

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.58-2.632.78-2.88

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Micaceous, Brittle

1.6 Cleavage

Not Available

Perfect on the {001}

1.7 Mohs Hardness

6.5-72-3

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Sard and Muscovite Chemical Formula

While comparing Sard 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 Sard and Muscovite chemical formula.

Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Muscovite- KAl 2AlSi 3O 10(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

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Sard and Muscovite Specific Gravity

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