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Barite
Barite

Polyhalite
Polyhalite



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Barite
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Polyhalite

Barite and Polyhalite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
4.48
Uneven
{010} Perfect, {210} Perfect, {010} Imperfect
3-3.5
BaSO4
 
Brittle
Soluble
-
2.78
Conchoidal
Perfect on {10 1 }; parting on {010}
3.5
K2Ca2Mg(SO4)4·2H2O

Barite and Polyhalite Chemical Formula

While comparing Barite 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 Barite and Polyhalite chemical formula.

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Barite and Polyhalite Specific Gravity

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