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Powellite and Gahnite Physical Properties


Gahnite and Powellite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
4.23   
4.00-4.62   

Fracture
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   
Conchoidal, Uneven   

Cleavage
{111} Distinct   
Indistinct parting on [111]   

Mohs Hardness
3.5-4   
7.5-8   

Chemical Composition
CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)   
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Powellite and Gahnite Chemical Formula

While comparing Powellite and Gahnite 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 Powellite and Gahnite chemical formula.

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Powellite and Gahnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Powellite and Gahnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Powellite and Gahnite Optical Properties during the identification of gemstone. Specific gravity of Powellite is 4.00-4.62 whereas that of Gahnite is 4.00-4.62.

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