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Thulite and Covellite Physical Properties


Covellite and Thulite Physical Properties


Physical Properties

Tenacity
Not Available   
Flexible   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.1   
4.6-4.76   

Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)   
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic   

Cleavage
Perfect {010} imperfect {100}   
Perfect on {0001}   

Mohs Hardness
6-7   
Not Available   

Chemical Composition
Ca2Al3(SiO4)3(OH)   
CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references   

Optical Properties >>
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Thulite and Covellite Chemical Formula

While comparing Thulite 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 Thulite and Covellite chemical formula.

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Thulite and Covellite Specific Gravity

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

Red Gemstones

Red Gemstones


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