Anorthite and Pyroxmangite Physical Properties

Anorthite

Pyroxmangite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.773.76-3.77

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

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

1.6 Cleavage

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

{110} Perfect, {110} Perfect

1.7 Mohs Hardness

6-6.55-6

2 10

1.8 Chemical Composition

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

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

Anorthite and Pyroxmangite Chemical Formula

While comparing Anorthite and Pyroxmangite 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 Anorthite and Pyroxmangite chemical formula.

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

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Anorthite and Pyroxmangite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anorthite and Pyroxmangite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anorthite and Pyroxmangite Optical Properties during the identification of gemstone. Specific gravity of Anorthite is 3.76-3.77 whereas that of Pyroxmangite is 3.76-3.77.