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Edenite and Gahnite Physical Properties


Gahnite and Edenite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.05-3.37   
4.00-4.62   

Fracture
Conchoidal, Brittle, Conchoidal   
Conchoidal, Uneven   

Cleavage
Good on (110)   
Indistinct parting on [111]   

Mohs Hardness
5-6   
7.5-8   

Chemical Composition
NaCa2Mg5Si7AlO22(OH)2   
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Edenite and Gahnite Chemical Formula

While comparing Edenite 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 Edenite and Gahnite chemical formula.

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Edenite and Gahnite Specific Gravity

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

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