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Spinel and Wulfenite Physical Properties


Wulfenite and Spinel Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
none   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.64-3.66   
6.50-7.00   

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

Cleavage
None, but may exhibit slight parting   
On {011}, distinct; on {001}, {013}, indistinct   

Mohs Hardness
8   
3   

Chemical Composition
MgAl2O4   
PbMoO 4Walter Schumann , Gemstones of the world (2001)   

Optical Properties >>
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Spinel and Wulfenite Chemical Formula

While comparing Spinel and Wulfenite 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 Spinel and Wulfenite chemical formula.

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Spinel and Wulfenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spinel and Wulfenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Wulfenite Optical Properties during the identification of gemstone. Specific gravity of Spinel is 6.50-7.00 whereas that of Wulfenite is 6.50-7.00.

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