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Vishnevite and Sapphire Physical Properties


Sapphire and Vishnevite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
insoluble   

Durability
Not Available   
Not Available   

Specific Gravity
Not Available   
3.95-4.03   

Fracture
Brittle, Uneven   
Uneven, Uneven, Gems, Sixth Edition (2006)   

Cleavage
Perfect   
None, but may exhibit parting   

Mohs Hardness
5-6   
9   

Chemical Composition
Not Available   
Al 2 O 3   

Optical Properties >>
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Vishnevite and Sapphire Chemical Formula

While comparing Vishnevite and Sapphire 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 Vishnevite and Sapphire chemical formula.

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Vishnevite and Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vishnevite and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vishnevite and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Vishnevite is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.

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