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Sunstone and Cuprite Physical Properties


Cuprite and Sunstone Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.62-2.65   
5.85-6.15   

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

Cleavage
001   
Fair in four directions forming octahedrons   

Mohs Hardness
6   
3.5-4   

Chemical Composition
Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8   
Cu 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Sunstone and Cuprite Chemical Formula

While comparing Sunstone 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 Sunstone and Cuprite chemical formula.

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Sunstone and Cuprite Specific Gravity

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

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