Pyroxmangite and Anorthite Physical Properties

Pyroxmangite

Anorthite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.76-3.772.77

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

{110} Perfect, {110} Perfect

Perfect [001] good [010] poor [110]

1.7 Mohs Hardness

5-66-6.5

2 10

1.8 Chemical Composition

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

CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Pyroxmangite and Anorthite Chemical Formula

While comparing Pyroxmangite and Anorthite 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 Anorthite chemical formula.

Chemical formula of Pyroxmangite- (Fe,Mn) 7Si 7O 21Ulrich Henn and Claudio C.
Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Pyroxmangite and Anorthite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyroxmangite and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyroxmangite and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Pyroxmangite is 2.77 whereas that of Anorthite is 2.77.