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Pargasite
Pargasite

Sylvite
Sylvite



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Pargasite
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Sylvite

Pargasite and Sylvite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
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)
 
Brittle
Soluble
-
1.993
Uneven
Perfect on [100], [010], [001]
2.5
KCl

Pargasite and Sylvite Chemical Formula

While comparing Pargasite and Sylvite 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 Sylvite chemical formula.

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Pargasite and Sylvite Specific Gravity

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