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Faustite and Pyrargyrite Physical Properties


Pyrargyrite and Faustite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.9   
5.85   

Fracture
Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal   
Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle   

Cleavage
{???} Indistinct   
Distinct on {10 1 1}, imperfect on {01 1 2}   

Mohs Hardness
4.5   
2.5-3   

Chemical Composition
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)   
Ag 3SbS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Faustite and Pyrargyrite Chemical Formula

While comparing Faustite and Pyrargyrite 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 Faustite and Pyrargyrite chemical formula.

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Faustite and Pyrargyrite Specific Gravity

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

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