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Covellite
Covellite

Hyalite
Hyalite



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Covellite
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Hyalite

Covellite and Hyalite 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
 
-
-
-
-9999
Conchoidal
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Covellite and Hyalite Chemical Formula

While comparing Covellite and Hyalite 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 Hyalite chemical formula.

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Covellite and Hyalite Specific Gravity

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