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Poudretteite and Sapphire Physical Properties


Sapphire and Poudretteite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
insoluble   

Durability
Not Available   
Not Available   

Specific Gravity
2.51-2.53   
3.95-4.03   

Fracture
Conchoidal, Splintery   
Uneven, Uneven, Gems, Sixth Edition (2006)   

Cleavage
None   
None, but may exhibit parting   

Mohs Hardness
5   
9   

Chemical Composition
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)   
Al 2 O 3   

Optical Properties >>
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Poudretteite and Sapphire Chemical Formula

While comparing Poudretteite 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 Poudretteite and Sapphire chemical formula.

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Poudretteite and Sapphire Specific Gravity

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

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