Sillimanite and Chrysotile Physical Properties

Sillimanite

Chrysotile

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1 Physical Properties

1.1 Tenacity

Tough

Not Available

1.2 Solubility

Not Available

insoluble in water

1.3 Durability

Not Available

1.4 Specific Gravity

3.20-3.262.51-2.63

1 7.18

1.5 Fracture

Splintery

Fibrous

1.6 Cleavage

{010} perfect

Not Available

1.7 Mohs Hardness

6-7.52.5-4.5

2 10

1.8 Chemical Composition

Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Sillimanite and Chrysotile Chemical Formula

While comparing Sillimanite 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 Sillimanite and Chrysotile chemical formula.

Chemical formula of Sillimanite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Chrysotile- Mg 3(Si 2O 5)(OH) 4Gemdat.org , Management Team (2012)

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Sillimanite and Chrysotile Specific Gravity

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