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Petalite
Petalite

Chondrodite
Chondrodite



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Petalite
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Chondrodite

Petalite and Chondrodite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
insoluble
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.403.10-3.20
Amber
1 7.18
1.5 Fracture
Subconchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
Perfect on {001}, poor on {201} with 38.5° angle between the two
Poor to good on (001)
1.7 Mohs Hardness
6-6.56-6.5
Amber
2 10
1.8 Chemical Composition
LiAlSi 4O 10Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
(Mg,Fe) 5(SiO 4) 2(F,OH) 2Ulrich Henn and Claudio C.

Petalite and Chondrodite Chemical Formula

While comparing Petalite and Chondrodite 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 Chondrodite chemical formula.

  • Chemical formula of Petalite- LiAlSi 4O 10Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Chondrodite- (Mg,Fe) 5(SiO 4) 2(F,OH) 2Ulrich Henn and Claudio C.

Petalite and Chondrodite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Petalite and Chondrodite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Petalite and Chondrodite Optical Properties during the identification of gemstone. Specific gravity of Petalite is 3.10-3.20 whereas that of Chondrodite is 3.10-3.20.