Nepouite and Pargasite Physical Properties

Nepouite

Pargasite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.18-3.243.04-3.26

1 7.18

1.5 Fracture

Not Available

Splintery, Brittle, Uneven

1.6 Cleavage

perfect on {001}

{110} perfect

1.7 Mohs Hardness

25-6

2 10

1.8 Chemical Composition

Not Available

NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Nepouite and Pargasite Chemical Formula

While comparing Nepouite 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 Nepouite and Pargasite chemical formula.

Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

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Nepouite and Pargasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nepouite and Pargasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nepouite and Pargasite Optical Properties during the identification of gemstone. Specific gravity of Nepouite is 3.04-3.26 whereas that of Pargasite is 3.04-3.26.