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Cryolite
Cryolite

Ettringite
Ettringite



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Cryolite
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Ettringite

Cryolite and Ettringite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Soluble
-
2.97
Uneven
None observed
2.5
Na 3AlF 6Ulrich Henn and Claudio C.
 
-
Partially soluble in water
-
1.77
-
Perfect on {10 1 0}
2-2.5
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Cryolite and Ettringite Chemical Formula

While comparing Cryolite and Ettringite 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 Ettringite chemical formula.

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Cryolite and Ettringite Specific Gravity

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