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Simpsonite and Gahnite Physical Properties


Gahnite and Simpsonite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
Not Available   
4.00-4.62   

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

Cleavage
None   
Indistinct parting on [111]   

Mohs Hardness
7-7.5   
7.5-8   

Chemical Composition
Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.   
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Simpsonite and Gahnite Chemical Formula

While comparing Simpsonite 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 Simpsonite and Gahnite chemical formula.

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Simpsonite and Gahnite Specific Gravity

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

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