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Pyrargyrite and Vivianite Physical Properties


Vivianite and Pyrargyrite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.85   
2.64-2.70   

Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle   
(e.g. graphite).   

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

Mohs Hardness
2.5-3   
Not Available   

Chemical Composition
Ag 3SbS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.   

Optical Properties >>
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Pyrargyrite and Vivianite Chemical Formula

While comparing Pyrargyrite and Vivianite 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 Vivianite chemical formula.

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Pyrargyrite and Vivianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrargyrite and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrargyrite and Vivianite Optical Properties during the identification of gemstone. Specific gravity of Pyrargyrite is 2.64-2.70 whereas that of Vivianite is 2.64-2.70.

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