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Pargasite
Pargasite

Erythrite
Erythrite



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Pargasite
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Erythrite

Pargasite and Erythrite 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)
 
Sectile
-
-
3.06
Sectile
Perfect on {010}; poor on {100} and { 1 02}.
-9999
Co3(AsO4)2•8(H2O)

Pargasite and Erythrite Chemical Formula

While comparing Pargasite and Erythrite 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 Erythrite chemical formula.

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Pargasite and Erythrite Specific Gravity

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