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Pyrargyrite and Apophyllite Physical Properties


Apophyllite and Pyrargyrite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.85   
2.30-2.50   

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

Cleavage
Distinct on {10 1 1}, imperfect on {01 1 2}   
Perfect on (001)   

Mohs Hardness
2.5-3   
4.5-5   

Chemical Composition
Ag 3SbS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.   

Optical Properties >>
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Pyrargyrite and Apophyllite Chemical Formula

While comparing Pyrargyrite and Apophyllite 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 Apophyllite chemical formula.

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Pyrargyrite and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrargyrite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrargyrite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Pyrargyrite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.

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