Pyroxmangite and Poldervaartite Physical Properties

Pyroxmangite

Poldervaartite

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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

3.76-3.772.91

1 7.18

1.5 Fracture

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

Handbook of mineralogy (2001)

1.6 Cleavage

{110} Perfect, {110} Perfect

None

1.7 Mohs Hardness

5-6Not Available

2 10

1.8 Chemical Composition

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

(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Pyroxmangite and Poldervaartite Chemical Formula

While comparing Pyroxmangite and Poldervaartite 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 Poldervaartite chemical formula.

Chemical formula of Pyroxmangite- (Fe,Mn) 7Si 7O 21Ulrich Henn and Claudio C.
Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

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Pyroxmangite and Poldervaartite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyroxmangite and Poldervaartite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyroxmangite and Poldervaartite Optical Properties during the identification of gemstone. Specific gravity of Pyroxmangite is 2.91 whereas that of Poldervaartite is 2.91.