Chrysotile and Polyhalite Physical Properties

Chrysotile

Polyhalite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

insoluble in water

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.51-2.632.78

1 7.18

1.5 Fracture

Fibrous

Conchoidal, Brittle

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

2.5-4.53.5

2 10

1.8 Chemical Composition

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

Not Available

Chrysotile and Polyhalite Chemical Formula

While comparing Chrysotile 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 Chrysotile and Polyhalite chemical formula.

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

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Chrysotile and Polyhalite Specific Gravity

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