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Kainite
Kainite

Polyhalite
Polyhalite



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Kainite
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Polyhalite

Kainite and Polyhalite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Soluble
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.152.78
Amber
1 7.18
1.5 Fracture
Splintery, Conchoidal, Brittle
Conchoidal, Brittle
1.6 Cleavage
{001}, perfect
Perfect on {10 1 }; parting on {010}
1.7 Mohs Hardness
2.5-33.5
Amber
2 10
1.8 Chemical Composition
Not Available
Not Available

Kainite and Polyhalite Chemical Formula

While comparing Kainite 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 Kainite and Polyhalite chemical formula.

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Kainite and Polyhalite Specific Gravity

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