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Pargasite
Pargasite

Nephrite
Nephrite



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Pargasite
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Nephrite

Pargasite and Nephrite Physical Properties

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)
 
-
-
-
2.90-3.10
Splintery, Granular
None
6-6.5
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references

Pargasite and Nephrite Chemical Formula

While comparing Pargasite and Nephrite 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 Nephrite chemical formula.

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Pargasite and Nephrite Specific Gravity

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