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Austinite
Austinite

Covellite
Covellite



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Austinite
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Covellite

Austinite and Covellite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Easily soluble in cold dilute HCl
-
4.12
Uneven
Good in two directions parallel to the prism faces {110}
4-4.5
CaZn(AsO4)(OH)
 
Flexible
-
-
4.6-4.76
-
Perfect on {0001}
-9999
CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references

Austinite and Covellite Chemical Formula

While comparing Austinite 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 Austinite and Covellite chemical formula.

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Austinite and Covellite Specific Gravity

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