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Poldervaartite and Pargasite Physical Properties


Pargasite and Poldervaartite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.91   
3.04-3.26   

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

Cleavage
None   
{110} perfect   

Mohs Hardness
Not Available   
5-6   

Chemical Composition
(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)   
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Poldervaartite and Pargasite Chemical Formula

While comparing Poldervaartite 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 Poldervaartite and Pargasite chemical formula.

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Poldervaartite and Pargasite Specific Gravity

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

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