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Bornite
Bornite

Gahnite
Gahnite



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Bornite
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Gahnite

Bornite and Gahnite 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
 
-
-
-
4.00-4.62
Conchoidal, Uneven
Indistinct parting on [111]
7.5-8
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Bornite and Gahnite Chemical Formula

While comparing Bornite and Gahnite 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 Gahnite chemical formula.

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Bornite and Gahnite Specific Gravity

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