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Phenakite
Phenakite

Pargasite
Pargasite



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Phenakite
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Pargasite

Phenakite and Pargasite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.90-2.98
Conchoidal, ConchoidalWalter Schumann
Distinct on {11 2 0}, imperfect on {10 1 1}
7.5-8
Be 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
-
-
-
3.04-3.26
Splintery, Uneven
{110} perfect
5-6
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Phenakite and Pargasite Chemical Formula

While comparing Phenakite 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 Phenakite and Pargasite chemical formula.

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Phenakite and Pargasite Specific Gravity

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