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Gahnite and London blue topaz Physical Properties


London blue topaz 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   
Not Available   

Fracture
Conchoidal, Uneven   
Not Available   

Cleavage
Indistinct parting on [111]   
Not Available   

Mohs Hardness
7.5-8   
Not Available   

Chemical Composition
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)   
Not Available   

Optical Properties >>
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Gahnite and London blue topaz Chemical Formula

While comparing Gahnite and London blue topaz 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 London blue topaz chemical formula.

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Gahnite and London blue topaz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnite and London blue topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnite and London blue topaz Optical Properties during the identification of gemstone. Specific gravity of Gahnite is Not Available whereas that of London blue topaz is Not Available.

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