Pyroxmangite and Chrome-Chalcedony Physical Properties

Pyroxmangite

Chrome-Chalcedony

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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

3.76-3.772.55-2.70

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

{110} Perfect, {110} Perfect

Not Available

1.7 Mohs Hardness

5-66.5-7

2 10

1.8 Chemical Composition

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

SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Pyroxmangite and Chrome-Chalcedony Chemical Formula

While comparing Pyroxmangite and Chrome-Chalcedony 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 Chrome-Chalcedony chemical formula.

Chemical formula of Pyroxmangite- (Fe,Mn) 7Si 7O 21Ulrich Henn and Claudio C.
Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

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Pyroxmangite and Chrome-Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyroxmangite and Chrome-Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyroxmangite and Chrome-Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Pyroxmangite is 2.55-2.70 whereas that of Chrome-Chalcedony is 2.55-2.70.