Pyroxmangite and Hercynite Physical Properties

Pyroxmangite

Hercynite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.76-3.774.39

1 7.18

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Fracture

Uneven

Cleavage

{110} Perfect, {110} Perfect

{111} Indistinct, {111} Indistinct, {111} Indistinct

Mohs Hardness

5-67.5-8

2 10

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Chemical Composition

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

Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

Pyroxmangite and Hercynite Chemical Formula

While comparing Pyroxmangite and Hercynite 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 Hercynite chemical formula.

Chemical formula of Pyroxmangite- (Fe,Mn) 7Si 7O 21Ulrich Henn and Claudio C.
Chemical formula of Hercynite- Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

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Pyroxmangite and Hercynite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyroxmangite and Hercynite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyroxmangite and Hercynite Optical Properties during the identification of gemstone. Specific gravity of Pyroxmangite is 4.39 whereas that of Hercynite is 4.39.