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Apophyllite and Cryolite Physical Properties


Cryolite and Apophyllite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
2.30-2.50   
2.97   

Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009)   
Uneven   

Cleavage
Perfect on (001)   
None observed   

Mohs Hardness
4.5-5   
2.5   

Chemical Composition
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.   
Na 3AlF 6Ulrich Henn and Claudio C.   

Optical Properties >>
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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.

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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.

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