Pargasite and Hypersthene Physical Properties

Pargasite

Hypersthene

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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

3.04-3.263.45-3.55

1 7.18

1.5 Fracture

Splintery, Brittle, Uneven

Uneven

1.6 Cleavage

{110} perfect

{100} Perfect, {010} Perfect

1.7 Mohs Hardness

5-65-6

2 10

1.8 Chemical Composition

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

(Fe,Mg) 2Si 2O 6Ulrich Henn and Claudio C.

Pargasite and Hypersthene Chemical Formula

While comparing Pargasite and Hypersthene 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 Hypersthene chemical formula.

Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Hypersthene- (Fe,Mg) 2Si 2O 6Ulrich Henn and Claudio C.

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Pargasite and Hypersthene Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Hypersthene Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Hypersthene Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 3.45-3.55 whereas that of Hypersthene is 3.45-3.55.