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Pyrargyrite and Cordierite Iolite Physical Properties


Cordierite Iolite and Pyrargyrite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.85   
2.56-2.66   

Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle   
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)   

Cleavage
Distinct on {10 1 1}, imperfect on {01 1 2}   
Not Available   

Mohs Hardness
2.5-3   
7-7.5   

Chemical Composition
Ag 3SbS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.   

Optical Properties >>
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Pyrargyrite and Cordierite Iolite Chemical Formula

While comparing Pyrargyrite and Cordierite Iolite 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 Cordierite Iolite chemical formula.

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Pyrargyrite and Cordierite Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrargyrite and Cordierite Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrargyrite and Cordierite Iolite Optical Properties during the identification of gemstone. Specific gravity of Pyrargyrite is 2.56-2.66 whereas that of Cordierite Iolite is 2.56-2.66.

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