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Gahnite and Hackmanite Physical Properties


Hackmanite and Gahnite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
4.00-4.62   
2.27-2.33   

Fracture
Conchoidal, Uneven   
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)   

Cleavage
Indistinct parting on [111]   
Not Available   

Mohs Hardness
7.5-8   
5.5-6   

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

Optical Properties >>
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Gahnite and Hackmanite Chemical Formula

While comparing Gahnite 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 Gahnite and Hackmanite chemical formula.

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Gahnite and Hackmanite Specific Gravity

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

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