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Spinel
Spinel

Feldspar
Feldspar



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Spinel
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Feldspar

Spinel and Feldspar 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
 
-
-
-
2.56-2.75
Uneven, Conchoidal
two or three
6-6.5
KAlSi3O8

Spinel and Feldspar Chemical Formula

While comparing Spinel and Feldspar 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 Feldspar chemical formula.

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Spinel and Feldspar Specific Gravity

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