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Bornite
Bornite
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Fayalite
Fayalite
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Bornite
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Fayalite

Bornite and Fayalite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
5.06-5.08
Uneven, Subconchoidal, Conchoidal
Poor on [111].
3-3.25
Cu5FeS4
 
-
-
-
4.392
Conchoidal
{010} moderate, {100} imperfect
6.5-7
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Bornite and Fayalite Chemical Formula

While comparing Bornite and Fayalite 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 Bornite and Fayalite chemical formula.

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Bornite and Fayalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bornite and Fayalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bornite Vs Fayalite during the identification of gemstone. Specific gravity of Bornite is whereas that of Fayalite is .