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Pyrargyrite and Friedelite Physical Properties


Friedelite and Pyrargyrite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.85   
3.06-3.19   

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

Cleavage
Distinct on {10 1 1}, imperfect on {01 1 2}   
{010} Perfect   

Mohs Hardness
2.5-3   
4-5   

Chemical Composition
Ag 3SbS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.   

Optical Properties >>
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Pyrargyrite and Friedelite Chemical Formula

While comparing Pyrargyrite and Friedelite 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 Friedelite chemical formula.

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Pyrargyrite and Friedelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrargyrite and Friedelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrargyrite and Friedelite Optical Properties during the identification of gemstone. Specific gravity of Pyrargyrite is 3.06-3.19 whereas that of Friedelite is 3.06-3.19.

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