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Sapphire and Taaffeite Physical Properties


Taaffeite 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   
3.60-3.61   

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

Cleavage
None, but may exhibit parting   
Imperfect/fair/absent   

Mohs Hardness
9   
8-8.5   

Chemical Composition
Al 2 O 3   
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references   

Optical Properties >>
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Sapphire and Taaffeite Chemical Formula

While comparing Sapphire and Taaffeite 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 Taaffeite chemical formula.

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Sapphire and Taaffeite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphire and Taaffeite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Taaffeite Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 3.60-3.61 whereas that of Taaffeite is 3.60-3.61.

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