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Zinnwaldite
Zinnwaldite

Pargasite
Pargasite



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Zinnwaldite
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Pargasite

Zinnwaldite and Pargasite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Elastic
-
-
2.9-3.1
Uneven
Perfect basal {001}
3.5-4.0
-
 
-
-
-
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)

Zinnwaldite and Pargasite Chemical Formula

While comparing Zinnwaldite 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 Zinnwaldite and Pargasite chemical formula.

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Zinnwaldite and Pargasite Specific Gravity

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