Chrysotile and Petalite Physical Properties

Chrysotile

Petalite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

insoluble in water

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.51-2.632.40

1 7.18

1.5 Fracture

Fibrous

Subconchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal

1.6 Cleavage

Not Available

Perfect on {001}, poor on {201} with 38.5° angle between the two

1.7 Mohs Hardness

2.5-4.56-6.5

2 10

1.8 Chemical Composition

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

LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Chrysotile and Petalite Chemical Formula

While comparing Chrysotile and Petalite 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 Petalite chemical formula.

Chemical formula of Chrysotile- Mg 3(Si 2O 5)(OH) 4Gemdat.org , Management Team (2012)
Chemical formula of Petalite- LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Chrysotile and Petalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrysotile and Petalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysotile and Petalite Optical Properties during the identification of gemstone. Specific gravity of Chrysotile is 2.40 whereas that of Petalite is 2.40.