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Edenite and Spinel Physical Properties


Spinel and Edenite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
none   

Durability
Not Available   
Not Available   

Specific Gravity
3.05-3.37   
3.64-3.66   

Fracture
Conchoidal, Brittle, Conchoidal   
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Good on (110)   
None, but may exhibit slight parting   

Mohs Hardness
5-6   
8   

Chemical Composition
NaCa2Mg5Si7AlO22(OH)2   
MgAl2O4   

Optical Properties >>
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Edenite and Spinel Chemical Formula

While comparing Edenite and Spinel 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 Spinel chemical formula.

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Edenite and Spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Edenite and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Edenite and Spinel Optical Properties during the identification of gemstone. Specific gravity of Edenite is 3.64-3.66 whereas that of Spinel is 3.64-3.66.

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