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Cryolite
Cryolite

Poudretteite
Poudretteite



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Cryolite
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Poudretteite

Cryolite and Poudretteite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.972.51-2.53
Amber
1 7.18
1.5 Fracture
Uneven
Conchoidal, Splintery
1.6 Cleavage
None observed
None
1.7 Mohs Hardness
2.55
Amber
2 10
1.8 Chemical Composition
Na 3AlF 6Ulrich Henn and Claudio C.
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)

Cryolite and Poudretteite Chemical Formula

While comparing Cryolite and Poudretteite 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 Cryolite and Poudretteite chemical formula.

  • Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.
  • Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)

Cryolite and Poudretteite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cryolite and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cryolite and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Cryolite is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.