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Stibiotantalite and Proustite Physical Properties


Proustite and Stibiotantalite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
Not Available   
5.51-5.64   

Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle   

Cleavage
{???} Perfect   
Distinct on {10 1 1}   

Mohs Hardness
5.5-6   
2.5   

Chemical Composition
SbTaO 4Ulrich Henn and Claudio C.   
Ag 3AsS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Stibiotantalite and Proustite Chemical Formula

While comparing Stibiotantalite and Proustite 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 Stibiotantalite and Proustite chemical formula.

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Stibiotantalite and Proustite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Stibiotantalite and Proustite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stibiotantalite and Proustite Optical Properties during the identification of gemstone. Specific gravity of Stibiotantalite is 5.51-5.64 whereas that of Proustite is 5.51-5.64.

Red Gemstones

Red Gemstones


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