Demantoid and Pyroxmangite Physical Properties

Demantoid

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

3.77-3.953.76-3.77

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

{110} Perfect, {110} Perfect

1.7 Mohs Hardness

6.55-6

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

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

Demantoid and Pyroxmangite Chemical Formula

While comparing Demantoid 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 Demantoid and Pyroxmangite chemical formula.

Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
Chemical formula of Pyroxmangite- (Fe,Mn) 7Si 7O 21Ulrich Henn and Claudio C.

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Demantoid and Pyroxmangite Specific Gravity

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