Polyhalite and Hanksite Physical Properties

Polyhalite

Hanksite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Readily soluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

2.782.562

1 7.18

1.5 Fracture

Conchoidal, Brittle

Uneven, Conchoidal, Brittle

1.6 Cleavage

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

Good on {0001}

1.7 Mohs Hardness

3.53-3.5

2 10

1.8 Chemical Composition

Not Available

KNa22(SO4)9(CO3)2Cl

Polyhalite and Hanksite Chemical Formula

While comparing Polyhalite and Hanksite 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 Hanksite chemical formula.

Chemical formula of Hanksite- KNa22(SO4)9(CO3)2Cl

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Polyhalite and Hanksite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Hanksite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Hanksite Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 2.562 whereas that of Hanksite is 2.562.