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Danburite and Covellite Physical Properties


Covellite and Danburite Physical Properties


Physical Properties

Tenacity
Brittle   
Flexible   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.97-3.03   
4.6-4.76   

Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle   
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic   

Cleavage
{001} Poor   
Perfect on {0001}   

Mohs Hardness
7   
Not Available   

Chemical Composition
CaB 2(SiO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references   

Optical Properties >>
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Danburite and Covellite Chemical Formula

While comparing Danburite 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 Danburite and Covellite chemical formula.

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Danburite and Covellite Specific Gravity

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

Yellow Gemstones

Yellow Gemstones


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