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Kashmir sapphire
Kashmir sapphire

Gahnite
Gahnite



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Kashmir sapphire
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Gahnite

Kashmir sapphire and Gahnite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
None
-9999
Al2O3
 
-
-
-
4.00-4.62
Conchoidal, Uneven
Indistinct parting on [111]
7.5-8
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Kashmir sapphire and Gahnite Chemical Formula

While comparing Kashmir sapphire and Gahnite 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 Gahnite chemical formula.

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Kashmir sapphire and Gahnite Specific Gravity

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