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Pargasite and Williamsite Physical Properties


Williamsite and Pargasite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.04-3.26   
2.51-2.63   

Fracture
Splintery, Brittle, Uneven   
Conchoidal, Conchoidal, Handbook of mineralogy (2001)   

Cleavage
{110} perfect   
Not Available   

Mohs Hardness
5-6   
4   

Chemical Composition
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)   
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
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Pargasite and Williamsite Chemical Formula

While comparing Pargasite and Williamsite 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 Pargasite and Williamsite chemical formula.

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Pargasite and Williamsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Williamsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Williamsite Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 2.51-2.63 whereas that of Williamsite is 2.51-2.63.

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Green Gemstones


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