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Leucite
Leucite

Afghanite
Afghanite



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Leucite
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Afghanite

Leucite and Afghanite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.45-2.50
Conchoidal
Poor on {110}
5.5-6
KAlSi 2O 6Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
-
-
-
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)

Leucite and Afghanite Chemical Formula

While comparing Leucite and Afghanite 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 Leucite and Afghanite chemical formula.

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Leucite and Afghanite Specific Gravity

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