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Ajoite and Spinel Physical Properties


Spinel and Ajoite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Decomposed by acids   
none   

Durability
Not Available   
Not Available   

Specific Gravity
2.96   
3.64-3.66   

Fracture
Not Available   
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Perfect on {010}   
None, but may exhibit slight parting   

Mohs Hardness
5   
8   

Chemical Composition
(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)   
MgAl2O4   

Optical Properties >>
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Ajoite and Spinel Chemical Formula

While comparing Ajoite 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 Ajoite and Spinel chemical formula.

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Ajoite and Spinel Specific Gravity

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

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