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Gibbsite and Cryolite Physical Properties


Cryolite and Gibbsite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
2.35   
2.97   

Fracture
Fibrous, Difficult, Fibrous   
Uneven   

Cleavage
{001} Perfect   
None observed   

Mohs Hardness
2.5-3   
2.5   

Chemical Composition
Al(OH)3   
Na 3AlF 6Ulrich Henn and Claudio C.   

Optical Properties >>
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Gibbsite and Cryolite Chemical Formula

While comparing Gibbsite 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 Gibbsite and Cryolite chemical formula.

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Gibbsite and Cryolite Specific Gravity

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

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