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Polyhalite
Polyhalite

Agrellite
Agrellite



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Polyhalite
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Agrellite

Polyhalite and Agrellite 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
 
-
-
-
2.88
-
perfect [110]
5.5
NaCa2Si4O10F

Polyhalite and Agrellite Chemical Formula

While comparing Polyhalite and Agrellite 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 Agrellite chemical formula.

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Polyhalite and Agrellite Specific Gravity

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