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Afghanite
Afghanite

Spinel
Spinel



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Afghanite
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Spinel

Afghanite and Spinel Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.55-2.65
Conchoidal
Perfect {10 1 0}
5.5-6
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
 
-
-
-
3.64-3.66
Conchoidal, Uneven
None, but may exhibit slight parting
8
MgAl2O4

Afghanite and Spinel Chemical Formula

While comparing Afghanite 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 Afghanite and Spinel chemical formula.

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Afghanite and Spinel Specific Gravity

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