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Spinel and Pleonaste Physical Properties


Pleonaste and Spinel Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
none   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.64-3.66   
3.80   

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

Cleavage
None, but may exhibit slight parting   
Not Available   

Mohs Hardness
8   
8   

Chemical Composition
MgAl2O4   
(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)   

Optical Properties >>
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Spinel and Pleonaste Chemical Formula

While comparing Spinel and Pleonaste 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 Pleonaste chemical formula.

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Spinel and Pleonaste Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spinel and Pleonaste Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Pleonaste Optical Properties during the identification of gemstone. Specific gravity of Spinel is 3.80 whereas that of Pleonaste is 3.80.

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