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Serendibite and Corundum Physical Properties


Corundum and Serendibite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
insoluble   

Durability
Not Available   
Not Available   

Specific Gravity
3.43-3.44   
3.90-4.05   

Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)   
Uneven, Uneven, Gems, Difficult, Fibrous   

Cleavage
None Observed   
None – parting in 3 directions   

Mohs Hardness
6.5-7   
9   

Chemical Composition
Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Al 2O 3Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Serendibite and Corundum Chemical Formula

While comparing Serendibite and Corundum 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 Serendibite and Corundum chemical formula.

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Serendibite and Corundum Specific Gravity

Another important criteria for qualitative analysis of gemstones is Serendibite and Corundum Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Serendibite and Corundum Optical Properties during the identification of gemstone. Specific gravity of Serendibite is 3.90-4.05 whereas that of Corundum is 3.90-4.05.

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