Fayalite and Axinite Physical Properties

Fayalite

Axinite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

4.3923.26-3.36

1 7.18

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Fracture

Conchoidal

Cleavage

{010} moderate, {100} imperfect

Good on {100}

Mohs Hardness

6.5-76.5-7

2 10

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Chemical Composition

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

(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Fayalite and Axinite Chemical Formula

While comparing Fayalite and Axinite 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 Axinite chemical formula.

Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Axinite- (Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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Fayalite and Axinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fayalite and Axinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fayalite and Axinite Optical Properties during the identification of gemstone. Specific gravity of Fayalite is 3.26-3.36 whereas that of Axinite is 3.26-3.36.