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Chrysoberyl and Pargasite Physical Properties


Pargasite and Chrysoberyl Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.69-3.81   
3.04-3.26   

Fracture
Uneven, Conchoidal to uneven, Brittle, Metallic, Uneven, ConchoidalWalter Schumann, Brittle, Metallic   
Splintery, Brittle, Uneven   

Cleavage
Distinct on {110}, imperfect on {010}, poor on {001}   
{110} perfect   

Mohs Hardness
8.5   
5-6   

Chemical Composition
BeAl 2 O 4   
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Chrysoberyl and Pargasite Chemical Formula

While comparing Chrysoberyl and Pargasite 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 Chrysoberyl and Pargasite chemical formula.

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Chrysoberyl and Pargasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrysoberyl and Pargasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysoberyl and Pargasite Optical Properties during the identification of gemstone. Specific gravity of Chrysoberyl is 3.04-3.26 whereas that of Pargasite is 3.04-3.26.

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Green Gemstones


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