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Edenite and Cuprite Physical Properties


Cuprite and Edenite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.05-3.37   
5.85-6.15   

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

Cleavage
Good on (110)   
Fair in four directions forming octahedrons   

Mohs Hardness
5-6   
3.5-4   

Chemical Composition
NaCa2Mg5Si7AlO22(OH)2   
Cu 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Edenite and Cuprite Chemical Formula

While comparing Edenite and Cuprite 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 Edenite and Cuprite chemical formula.

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Edenite and Cuprite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Edenite and Cuprite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Edenite and Cuprite Optical Properties during the identification of gemstone. Specific gravity of Edenite is 5.85-6.15 whereas that of Cuprite is 5.85-6.15.

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