Pyroxmangite and Riebeckite Physical Properties

Pyroxmangite

Riebeckite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.76-3.773.28-3.44

1 7.18

1.5 Fracture

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

Uneven, Splintery, Brittle

1.6 Cleavage

{110} Perfect, {110} Perfect

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

1.7 Mohs Hardness

5-65.0-6.0

2 10

1.8 Chemical Composition

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

Not Available

Pyroxmangite and Riebeckite Chemical Formula

While comparing Pyroxmangite and Riebeckite 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 Riebeckite chemical formula.

Chemical formula of Pyroxmangite- (Fe,Mn) 7Si 7O 21Ulrich Henn and Claudio C.

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Pyroxmangite and Riebeckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyroxmangite and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyroxmangite and Riebeckite Optical Properties during the identification of gemstone. Specific gravity of Pyroxmangite is 3.28-3.44 whereas that of Riebeckite is 3.28-3.44.