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Sapphire and Albite Physical Properties


Albite 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   
2.60-2.65   

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

Cleavage
None, but may exhibit parting   
Perfect on {001}, very good on {010}, imperfect on {110}   

Mohs Hardness
9   
6-6.5   

Chemical Composition
Al 2 O 3   
NaAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Sapphire and Albite Chemical Formula

While comparing Sapphire and Albite 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 Albite chemical formula.

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Sapphire and Albite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphire and Albite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Albite Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 2.60-2.65 whereas that of Albite is 2.60-2.65.

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