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Polyhalite
Polyhalite

Wulfenite
Wulfenite



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Polyhalite
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Wulfenite

Polyhalite and Wulfenite 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
-
-
6.50-7.00
Irregular, Conchoidal
On {011}, distinct; on {001}, {013}, indistinct
3
PbMoO 4Walter Schumann , Gemstones of the world (2001)

Polyhalite and Wulfenite Chemical Formula

While comparing Polyhalite and Wulfenite 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 Wulfenite chemical formula.

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Polyhalite and Wulfenite Specific Gravity

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