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Polyhalite
Polyhalite

Bornite
Bornite



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Polyhalite
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Bornite

Polyhalite and Bornite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Soluble
-
2.78
Conchoidal
Perfect on {10 1 }; parting on {010}
3.5
K2Ca2Mg(SO4)4·2H2O
 
Brittle
-
-
5.06-5.08
Uneven, Subconchoidal, Conchoidal
Poor on [111].
3-3.25
Cu5FeS4

Polyhalite and Bornite Chemical Formula

While comparing Polyhalite 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 Polyhalite and Bornite chemical formula.

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Polyhalite and Bornite Specific Gravity

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