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Sapphire and Andesine Physical Properties


Andesine and Sapphire Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
insoluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.95-4.03   
2.65-2.69   

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

Cleavage
None, but may exhibit parting   
Perfect on {001}, good on {010}   

Mohs Hardness
9   
6-6.5   

Chemical Composition
Al 2 O 3   
(Na,Ca)Al1-2Si3-2O8   

Optical Properties >>
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Sapphire and Andesine Chemical Formula

While comparing Sapphire and Andesine 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 Andesine chemical formula.

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Sapphire and Andesine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphire and Andesine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Andesine Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 2.65-2.69 whereas that of Andesine is 2.65-2.69.

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