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Moldavite and Covellite Physical Properties


Covellite and Moldavite Physical Properties


Physical Properties

Tenacity
Not Available   
Flexible   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.32-2.38   
4.6-4.76   

Fracture
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)   
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic   

Cleavage
Not Available   
Perfect on {0001}   

Mohs Hardness
5.5   
Not Available   

Chemical Composition
SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)   
CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references   

Optical Properties >>
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Moldavite and Covellite Chemical Formula

While comparing Moldavite 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 Moldavite and Covellite chemical formula.

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Moldavite and Covellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moldavite and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moldavite and Covellite Optical Properties during the identification of gemstone. Specific gravity of Moldavite is 4.6-4.76 whereas that of Covellite is 4.6-4.76.

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