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Helenite
Helenite

Pargasite
Pargasite



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Helenite
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Pargasite

Helenite and Pargasite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
Indiscernible
-9999
SiO2
 
-
-
-
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)

Helenite and Pargasite Chemical Formula

While comparing Helenite 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 Helenite and Pargasite chemical formula.

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Helenite and Pargasite Specific Gravity

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