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Pyrargyrite and Marialite Physical Properties


Marialite and Pyrargyrite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.85   
2.50   

Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle   
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   

Cleavage
Distinct on {10 1 1}, imperfect on {01 1 2}   
Distinct on {100} and {110}   

Mohs Hardness
2.5-3   
5.5-6   

Chemical Composition
Ag 3SbS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
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Pyrargyrite and Marialite Chemical Formula

While comparing Pyrargyrite and Marialite 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 Marialite chemical formula.

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Pyrargyrite and Marialite Specific Gravity

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

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Black Gemstones


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