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Cassiterite and Cryolite Physical Properties


Cryolite and Cassiterite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
insoluble   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
6.86-7.03   
2.97   

Fracture
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Irregular   
Uneven   

Cleavage
{100} imperfect, {110} indistinct; partings on {111} or {011}   
None observed   

Mohs Hardness
6-7   
2.5   

Chemical Composition
SnO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Na 3AlF 6Ulrich Henn and Claudio C.   

Optical Properties >>
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Cassiterite and Cryolite Chemical Formula

While comparing Cassiterite 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 Cassiterite and Cryolite chemical formula.

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Cassiterite and Cryolite Specific Gravity

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

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