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Spinel
Spinel

Pleonast
Pleonast



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X
Spinel
X
Pleonast

Spinel and Pleonast Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.64-3.66
Conchoidal, Uneven
None, but may exhibit slight parting
8
MgAl2O4
 
-
-
-
-9999
-
Perfect
-9999
MgAl2O4

Spinel and Pleonast Chemical Formula

While comparing Spinel and Pleonast 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 Pleonast chemical formula.

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Spinel and Pleonast Specific Gravity

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