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Hbnerite
Hbnerite

Polyhalite
Polyhalite



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Hbnerite
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Polyhalite

Hbnerite and Polyhalite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Soluble

Durability

-
-

Specific Gravity

7.12-7.182.78
1 7.18
👆🏻

Fracture

-
Conchoidal

Cleavage

Perfect
Perfect on {10 1 }; parting on {010}

Mohs Hardness

4-4.53.5
2 10
👆🏻

Chemical Composition

MnWO4
K2Ca2Mg(SO4)4·2H2O

Hbnerite and Polyhalite Chemical Formula

While comparing Hbnerite and Polyhalite 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 Hbnerite and Polyhalite chemical formula.

  • Chemical formula of Hbnerite- MnWO4
  • Chemical formula of Polyhalite- K2Ca2Mg(SO4)4·2H2O

Hbnerite and Polyhalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hbnerite and Polyhalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hbnerite and Polyhalite Optical Properties during the identification of gemstone. Specific gravity of Hbnerite is 2.78 whereas that of Polyhalite is 2.78.