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Covellite
Covellite

Sylvite
Sylvite



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Covellite
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Sylvite

Covellite and Sylvite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Flexible
-
-
4.6-4.76
-
Perfect on {0001}
-9999
CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references
 
Brittle
Soluble
-
1.993
Uneven
Perfect on [100], [010], [001]
2.5
KCl

Covellite and Sylvite Chemical Formula

While comparing Covellite and Sylvite 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 Covellite and Sylvite chemical formula.

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Covellite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Covellite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Covellite Vs Sylvite during the identification of gemstone. Specific gravity of Covellite is whereas that of Sylvite is .