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Covellite
Covellite

Turquoise
Turquoise



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Covellite
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Turquoise

Covellite and Turquoise Physical Properties

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
 
-
Soluble
-
2.30-2.90
Conchoidal
Good to perfect_usually N/A
5-6
CuAl6(PO4)4(OH)8 • 4H2O

Covellite and Turquoise Chemical Formula

While comparing Covellite and Turquoise 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 Turquoise chemical formula.

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Covellite and Turquoise Specific Gravity

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