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Sapphire and Axinite Physical Properties


Axinite and Sapphire Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
insoluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.95-4.03   
3.26-3.36   

Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)   
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
None, but may exhibit parting   
Good on {100}   

Mohs Hardness
9   
6.5-7   

Chemical Composition
Al 2 O 3   
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references   

Optical Properties >>
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Sapphire and Axinite Chemical Formula

While comparing Sapphire and Axinite 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 Sapphire and Axinite chemical formula.

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Sapphire and Axinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphire and Axinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Axinite Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 3.26-3.36 whereas that of Axinite is 3.26-3.36.

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