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Kashmir sapphire
Kashmir sapphire
☒

Ettringite
Ettringite
☒



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Kashmir sapphire
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Ettringite

Kashmir sapphire and Ettringite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
None
-9999
Al2O3
 
-
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)

Kashmir sapphire and Ettringite Chemical Formula

While comparing Kashmir sapphire 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 Kashmir sapphire and Ettringite chemical formula.

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Kashmir sapphire and Ettringite Specific Gravity

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