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Proustite and Sunstone Physical Properties


Sunstone and Proustite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.51-5.64   
2.62-2.65   

Fracture
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle   
Gemstones of the world (2001)   

Cleavage
Distinct on {10 1 1}   
001   

Mohs Hardness
2.5   
6   

Chemical Composition
Ag 3AsS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8   

Optical Properties >>
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Proustite and Sunstone Chemical Formula

While comparing Proustite and Sunstone 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 Proustite and Sunstone chemical formula.

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Proustite and Sunstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Proustite and Sunstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Proustite and Sunstone Optical Properties during the identification of gemstone. Specific gravity of Proustite is 2.62-2.65 whereas that of Sunstone is 2.62-2.65.

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