Polyhalite and Kurnakovite Physical Properties

Polyhalite

Kurnakovite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.781.847-1.852

1 7.18

1.5 Fracture

Conchoidal, Brittle

Brittle, Conchoidal

1.6 Cleavage

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

Poor to indistinct on {010}

1.7 Mohs Hardness

3.52-3

2 10

1.8 Chemical Composition

Not Available

Polyhalite and Kurnakovite Chemical Formula

While comparing Polyhalite and Kurnakovite 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 Kurnakovite chemical formula.

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Polyhalite and Kurnakovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Kurnakovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Kurnakovite Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 1.847-1.852 whereas that of Kurnakovite is 1.847-1.852.