Fayalite and Pyroxmangite Physical Properties

Fayalite

Pyroxmangite

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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

4.3923.76-3.77

1 7.18

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

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

1.6 Cleavage

{010} moderate, {100} imperfect

{110} Perfect, {110} Perfect

1.7 Mohs Hardness

6.5-75-6

2 10

1.8 Chemical Composition

Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Fayalite and Pyroxmangite Chemical Formula

While comparing Fayalite and Pyroxmangite 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 Fayalite and Pyroxmangite chemical formula.

Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Pyroxmangite- (Fe,Mn) 7Si 7O 21Ulrich Henn and Claudio C.

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Fayalite and Pyroxmangite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fayalite and Pyroxmangite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fayalite and Pyroxmangite Optical Properties during the identification of gemstone. Specific gravity of Fayalite is 3.76-3.77 whereas that of Pyroxmangite is 3.76-3.77.