Polyhalite and Kutnohorite Physical Properties

Polyhalite

Kutnohorite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.783.12

1 7.18

1.5 Fracture

Conchoidal, Brittle

Subconchoidal, Brittle, Conchoidal

1.6 Cleavage

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

Perfect on {10 1 1}

1.7 Mohs Hardness

3.53-4

2 10

1.8 Chemical Composition

Not Available

Polyhalite and Kutnohorite Chemical Formula

While comparing Polyhalite and Kutnohorite 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 Kutnohorite chemical formula.

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Polyhalite and Kutnohorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Kutnohorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Kutnohorite Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 3.12 whereas that of Kutnohorite is 3.12.