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Hercynite
Hercynite

Bornite
Bornite



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Hercynite
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Bornite

Hercynite and Bornite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
4.39
Uneven
{111} Indistinct, {111} Indistinct, {111} Indistinct
7.5-8
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)
 
Brittle
-
-
5.06-5.08
Uneven, Subconchoidal, Conchoidal
Poor on [111].
3-3.25
Cu5FeS4

Hercynite and Bornite Chemical Formula

While comparing Hercynite and Bornite 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 Hercynite and Bornite chemical formula.

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Hercynite and Bornite Specific Gravity

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