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Pargasite and Phenakite Physical Properties


Phenakite and Pargasite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.04-3.26   
2.90-2.98   

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

Cleavage
{110} perfect   
Distinct on {11 2 0}, imperfect on {10 1 1}   

Mohs Hardness
5-6   
7.5-8   

Chemical Composition
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)   
Be 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Pargasite and Phenakite Chemical Formula

While comparing Pargasite and Phenakite 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 Phenakite chemical formula.

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Pargasite and Phenakite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Phenakite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Phenakite Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 2.90-2.98 whereas that of Phenakite is 2.90-2.98.

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