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Nosean
Nosean

Covellite
Covellite



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Nosean
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Covellite

Nosean and Covellite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.30-2.40
Uneven, Conchoidal
{110} Perfect
-9999
Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)
 
Flexible
-
-
4.6-4.76
-
Perfect on {0001}
-9999
CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references

Nosean and Covellite Chemical Formula

While comparing Nosean 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 Nosean and Covellite chemical formula.

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Nosean and Covellite Specific Gravity

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