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Proustite and Sapphire Physical Properties


Sapphire and Proustite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
insoluble   

Durability
Not Available   
Not Available   

Specific Gravity
5.51-5.64   
3.95-4.03   

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

Cleavage
Distinct on {10 1 1}   
None, but may exhibit parting   

Mohs Hardness
2.5   
9   

Chemical Composition
Ag 3AsS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Al 2 O 3   

Optical Properties >>
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Proustite and Sapphire Chemical Formula

While comparing Proustite and Sapphire 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 Sapphire chemical formula.

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Proustite and Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Proustite and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Proustite and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Proustite is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.

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