Muscovite and Covellite Physical Properties

Muscovite

Covellite

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1 Physical Properties

1.1 Tenacity

Elastic

Flexible

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.78-2.884.6-4.76

1 7.18

1.5 Fracture

Micaceous, Brittle

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic

1.6 Cleavage

Perfect on the {001}

Perfect on {0001}

1.7 Mohs Hardness

2-3Not Available

2 10

1.8 Chemical Composition

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

CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

Muscovite and Covellite Chemical Formula

While comparing Muscovite and Covellite 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 Covellite 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 Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare Colorless Gems

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Muscovite and Covellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Muscovite and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Muscovite and Covellite Optical Properties during the identification of gemstone. Specific gravity of Muscovite is 4.6-4.76 whereas that of Covellite is 4.6-4.76.