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Jet
Jet

Covellite
Covellite



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Jet
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Covellite

Jet and Covellite Physical Properties

Jet
Jet
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.19-1.35
ConchoidalWalter Schumann
None
2.5-4
C
 
Flexible
-
-
4.6-4.76
-
Perfect on {0001}
-9999
CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references

Jet and Covellite Chemical Formula

While comparing Jet 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 Jet and Covellite chemical formula.

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Jet and Covellite Specific Gravity

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