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Sapphire and Hackmanite Physical Properties


Hackmanite 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   
2.27-2.33   

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

Cleavage
None, but may exhibit parting   
Not Available   

Mohs Hardness
9   
5.5-6   

Chemical Composition
Al 2 O 3   
Na 8Al 6Si 6O 24Cl 2Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Sapphire and Hackmanite Chemical Formula

While comparing Sapphire and Hackmanite 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 Hackmanite chemical formula.

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Sapphire and Hackmanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphire and Hackmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Hackmanite Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 2.27-2.33 whereas that of Hackmanite is 2.27-2.33.

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