Polyhalite and Chrysotile Physical Properties

Polyhalite

Chrysotile

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

insoluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

2.782.51-2.63

1 7.18

1.5 Fracture

Conchoidal, Brittle

Fibrous

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

3.52.5-4.5

2 10

1.8 Chemical Composition

Not Available

Mg 3(Si 2O 5)(OH) 4Gemdat.org , Management Team (2012)

Polyhalite and Chrysotile Chemical Formula

While comparing Polyhalite and Chrysotile 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 Chrysotile chemical formula.

Chemical formula of Chrysotile- Mg 3(Si 2O 5)(OH) 4Gemdat.org , Management Team (2012)

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Polyhalite and Chrysotile Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Chrysotile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Chrysotile Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 2.51-2.63 whereas that of Chrysotile is 2.51-2.63.