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Covellite
Covellite

Sard
Sard



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Covellite
X
Sard

Covellite and Sard 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
 
-
-
-
2.58-2.63
Conchoidal
None
6.5-7
SiO 2Ulrich Henn and Claudio C.

Covellite and Sard Chemical Formula

While comparing Covellite and Sard 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 Sard chemical formula.

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Covellite and Sard Specific Gravity

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