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Petalite
Petalite

Chrysotile
Chrysotile



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Petalite and Chrysotile Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
insoluble
insoluble in water
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.40
2.51-2.63
1.5 Fracture
Subconchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
Fibrous
1.6 Cleavage
Perfect on {001}, poor on {201} with 38.5° angle between the two
Not Available
1.7 Mohs Hardness
6-6.5
2.5-4.5
1.8 Chemical Composition
LiAlSi 4O 10Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Mg 3(Si 2O 5)(OH) 4Gemdat.org , Management Team (2012)

Petalite and Chrysotile Chemical Formula

While comparing Petalite 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 Petalite and Chrysotile chemical formula.

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

Petalite and Chrysotile Specific Gravity

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