Kurnakovite and Polyhalite Physical Properties

Kurnakovite

Polyhalite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

1.847-1.8522.78

1 7.18

1.5 Fracture

Brittle, Conchoidal

Conchoidal, Brittle

1.6 Cleavage

Poor to indistinct on {010}

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

1.7 Mohs Hardness

2-33.5

2 10

1.8 Chemical Composition

Not Available

Kurnakovite and Polyhalite Chemical Formula

While comparing Kurnakovite 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 Kurnakovite and Polyhalite chemical formula.

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Kurnakovite and Polyhalite Specific Gravity

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