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Andesine
Andesine

Covellite
Covellite



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Andesine
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Covellite

Andesine and Covellite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.65-2.69
Uneven, Conchoidal
Perfect on {001}, good on {010}
6-6.5
(Na,Ca)Al1-2Si3-2O8
 
Flexible
-
-
4.6-4.76
-
Perfect on {0001}
-9999
CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references

Andesine and Covellite Chemical Formula

While comparing Andesine 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 Andesine and Covellite chemical formula.

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Andesine and Covellite Specific Gravity

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