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Polyhalite
Polyhalite

Moissanite
Moissanite



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Polyhalite
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Moissanite

Polyhalite and Moissanite 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
 
-
-
-
3.17-3.24
Conchoidal
(0001) indistinct
9-9.5
SiCArthur Thomas , Gemstones (2009)

Polyhalite and Moissanite Chemical Formula

While comparing Polyhalite and Moissanite 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 Moissanite chemical formula.

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Polyhalite and Moissanite Specific Gravity

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