Polyhalite and Chlorite group Physical Properties

Polyhalite

Chlorite group

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.782.6-3.3

1 7.18

1.5 Fracture

Conchoidal, Brittle

Lamellar

1.6 Cleavage

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

Perfect 001

1.7 Mohs Hardness

3.52-2.5

2 10

1.8 Chemical Composition

Not Available

Polyhalite and Chlorite group Chemical Formula

While comparing Polyhalite and Chlorite group 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 Chlorite group chemical formula.

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Polyhalite and Chlorite group Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Chlorite group Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Chlorite group Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 2.6-3.3 whereas that of Chlorite group is 2.6-3.3.