Pyroxmangite and Pargasite Physical Properties

Pyroxmangite

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

3.76-3.773.04-3.26

1 7.18

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

Splintery, Brittle, Uneven

1.6 Cleavage

{110} Perfect, {110} Perfect

{110} perfect

1.7 Mohs Hardness

5-65-6

2 10

1.8 Chemical Composition

(Fe,Mn) 7Si 7O 21Ulrich Henn and Claudio C.

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

Pyroxmangite and Pargasite Chemical Formula

While comparing Pyroxmangite 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 Pyroxmangite and Pargasite chemical formula.

Chemical formula of Pyroxmangite- (Fe,Mn) 7Si 7O 21Ulrich Henn and Claudio C.
Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Pyroxmangite and Pargasite Specific Gravity

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