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Friedelite
Friedelite

Covellite
Covellite



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Friedelite
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Covellite

Friedelite and Covellite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.06-3.19
Uneven
{010} Perfect
4-5
Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
 
Flexible
-
-
4.6-4.76
-
Perfect on {0001}
-9999
CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references

Friedelite and Covellite Chemical Formula

While comparing Friedelite 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 Friedelite and Covellite chemical formula.

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Friedelite and Covellite Specific Gravity

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