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Grossular
Grossular

Covellite
Covellite



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Grossular
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Covellite

Grossular and Covellite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.55-3.73
Conchoidal, Uneven
none
7-7.5
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
 
Flexible
-
-
4.6-4.76
-
Perfect on {0001}
-9999
CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references

Grossular and Covellite Chemical Formula

While comparing Grossular 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 Grossular and Covellite chemical formula.

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Grossular and Covellite Specific Gravity

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