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Proustite and Andesine Physical Properties


Andesine and Proustite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.51-5.64   
2.65-2.69   

Fracture
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle   
Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)   

Cleavage
Distinct on {10 1 1}   
Perfect on {001}, good on {010}   

Mohs Hardness
2.5   
6-6.5   

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

Optical Properties >>
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Proustite and Andesine Chemical Formula

While comparing Proustite and Andesine 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 Andesine chemical formula.

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Proustite and Andesine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Proustite and Andesine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Proustite and Andesine Optical Properties during the identification of gemstone. Specific gravity of Proustite is 2.65-2.69 whereas that of Andesine is 2.65-2.69.

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Black Gemstones


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