Pyroxmangite and Obsidian Physical Properties

Pyroxmangite

Obsidian

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1 Physical Properties

1.1 Tenacity

Not Available

1.4 Solubility

Not Available

1.7 Durability

Not Available

1.10 Specific Gravity

3.76-3.772.35-2.60

1 7.18

1.16 Fracture

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

Conchoidal, ConchoidalWalter Schumann, Conchoidal

1.17 Cleavage

{110} Perfect, {110} Perfect

Not Available

1.18 Mohs Hardness

5-65-5.5

2 10

1.19 Chemical Composition

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

Not Available

Pyroxmangite and Obsidian Chemical Formula

While comparing Pyroxmangite and Obsidian 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 Obsidian chemical formula.

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

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Pyroxmangite and Obsidian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyroxmangite and Obsidian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyroxmangite and Obsidian Optical Properties during the identification of gemstone. Specific gravity of Pyroxmangite is 2.35-2.60 whereas that of Obsidian is 2.35-2.60.