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Ettringite
Ettringite

Cryolite
Cryolite



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Ettringite
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Cryolite

Ettringite and Cryolite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
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)
 
Brittle
Soluble
-
2.97
Uneven
None observed
2.5
Na 3AlF 6Ulrich Henn and Claudio C.

Ettringite and Cryolite Chemical Formula

While comparing Ettringite 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 Ettringite and Cryolite chemical formula.

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Ettringite and Cryolite Specific Gravity

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