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Polyhalite
Polyhalite

Halite
Halite



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Polyhalite
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Halite

Polyhalite and Halite Physical Properties

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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
Water-soluble
-
2.17
Conchoidal
Perfect {001}, three directions cubic
2.0-2.5
NaCl

Polyhalite and Halite Chemical Formula

While comparing Polyhalite and Halite 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 Halite chemical formula.

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Polyhalite and Halite Specific Gravity

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