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Polyhalite
Polyhalite

Wernerite
Wernerite



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Polyhalite
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Wernerite

Polyhalite and Wernerite 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
 
-
-
-
2.50-2.80
-
Perfect
5-6.5
Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)

Polyhalite and Wernerite Chemical Formula

While comparing Polyhalite and Wernerite 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 Wernerite chemical formula.

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Polyhalite and Wernerite Specific Gravity

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