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Ettringite
Ettringite

Chromite
Chromite



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Ettringite
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Chromite

Ettringite and Chromite 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
-
-
4.5-4.8
Uneven
None, parting may develop along {111}
5.5
Fe++Cr2O4

Ettringite and Chromite Chemical Formula

While comparing Ettringite and Chromite 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 Chromite chemical formula.

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Ettringite and Chromite Specific Gravity

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