Hanksite and Polyhalite Physical Properties

Hanksite

Polyhalite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Readily soluble in water

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.5622.78

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle

Conchoidal, Brittle

1.6 Cleavage

Good on {0001}

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

1.7 Mohs Hardness

3-3.53.5

2 10

1.8 Chemical Composition

KNa22(SO4)9(CO3)2Cl

Not Available

Hanksite and Polyhalite Chemical Formula

While comparing Hanksite 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 Hanksite and Polyhalite chemical formula.

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

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Hanksite and Polyhalite Specific Gravity

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