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Crystal Opal
Crystal Opal

Cryolite
Cryolite



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Crystal Opal
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Cryolite

Crystal Opal and Cryolite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.97-2.222.97
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven
1.6 Cleavage
Not Available
None observed
1.7 Mohs Hardness
5.5-6.52.5
Amber
2 10
1.8 Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
Na 3AlF 6Ulrich Henn and Claudio C.

Crystal Opal and Cryolite Chemical Formula

While comparing Crystal Opal and Cryolite 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 Crystal Opal and Cryolite chemical formula.

  • Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
  • Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.

Crystal Opal and Cryolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Crystal Opal and Cryolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Crystal Opal and Cryolite Optical Properties during the identification of gemstone. Specific gravity of Crystal Opal is 2.97 whereas that of Cryolite is 2.97.