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Cryolite and Powellite Physical Properties


Powellite and Cryolite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Soluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.97   
4.23   

Fracture
Uneven   
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   

Cleavage
None observed   
{111} Distinct   

Mohs Hardness
2.5   
3.5-4   

Chemical Composition
Na 3AlF 6Ulrich Henn and Claudio C.   
CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Cryolite and Powellite Chemical Formula

While comparing Cryolite and Powellite 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 Powellite chemical formula.

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Cryolite and Powellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cryolite and Powellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cryolite and Powellite Optical Properties during the identification of gemstone. Specific gravity of Cryolite is 4.23 whereas that of Powellite is 4.23.

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