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Pyrargyrite and Almandine Physical Properties


Almandine and Pyrargyrite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.85   
3.95-4.30   

Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle   
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal   

Cleavage
Distinct on {10 1 1}, imperfect on {01 1 2}   
none   

Mohs Hardness
2.5-3   
7-7.5   

Chemical Composition
Ag 3SbS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Fe 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Pyrargyrite and Almandine Chemical Formula

While comparing Pyrargyrite and Almandine 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 Pyrargyrite and Almandine chemical formula.

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Pyrargyrite and Almandine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrargyrite and Almandine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrargyrite and Almandine Optical Properties during the identification of gemstone. Specific gravity of Pyrargyrite is 3.95-4.30 whereas that of Almandine is 3.95-4.30.

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