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Apophyllite
Apophyllite

Cryolite
Cryolite



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Apophyllite
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Cryolite

Apophyllite 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
2.30-2.502.97
Amber
1 7.18
1.5 Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009)
Uneven
1.6 Cleavage
Perfect on (001)
None observed
1.7 Mohs Hardness
4.5-52.5
Amber
2 10
1.8 Chemical Composition
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
Na 3AlF 6Ulrich Henn and Claudio C.

Apophyllite and Cryolite Chemical Formula

While comparing Apophyllite 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 Apophyllite and Cryolite chemical formula.

  • Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
  • Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.

Apophyllite and Cryolite Specific Gravity

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