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Polyhalite
Polyhalite

Chromite
Chromite



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Polyhalite
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Chromite

Polyhalite and Chromite 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
-
-
4.5-4.8
Uneven
None, parting may develop along {111}
5.5
Fe++Cr2O4

Polyhalite and Chromite Chemical Formula

While comparing Polyhalite and Chromite 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 Chromite chemical formula.

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Polyhalite and Chromite Specific Gravity

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