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Hackmanite and Alexandrite Physical Properties


Alexandrite and Hackmanite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.27-2.33   
3.69-3.81   

Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)   
Not Available   

Cleavage
Not Available   
1,1 ; 3,2.   

Mohs Hardness
5.5-6   
8.5   

Chemical Composition
Na 8Al 6Si 6O 24Cl 2Michael O’Donoghue , Gems, Sixth Edition (2006)   
BeAl 2 O 4   

Optical Properties >>
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Hackmanite and Alexandrite Chemical Formula

While comparing Hackmanite and Alexandrite 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 Hackmanite and Alexandrite chemical formula.

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Hackmanite and Alexandrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hackmanite and Alexandrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hackmanite and Alexandrite Optical Properties during the identification of gemstone. Specific gravity of Hackmanite is 3.69-3.81 whereas that of Alexandrite is 3.69-3.81.

Semi Precious

Semi Precious


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