Afghanite and Pyroxmangite Physical Properties

Afghanite

Pyroxmangite

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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

2.55-2.65

3.76-3.77

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle

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

1.6 Cleavage

Perfect {10 1 0}

{110} Perfect, {110} Perfect

1.7 Mohs Hardness

5.5-6

5-6

1.8 Chemical Composition

(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

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

Afghanite and Pyroxmangite Chemical Formula

While comparing Afghanite 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 Afghanite and Pyroxmangite chemical formula.

Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
Chemical formula of Pyroxmangite- (Fe,Mn) 7Si 7O 21Ulrich Henn and Claudio C.

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Afghanite and Pyroxmangite Specific Gravity

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