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Afghanite
Afghanite

Sylvite
Sylvite



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Afghanite
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Sylvite

Afghanite and Sylvite 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)
 
Brittle
Soluble
-
1.993
Uneven
Perfect on [100], [010], [001]
2.5
KCl

Afghanite and Sylvite Chemical Formula

While comparing Afghanite and Sylvite 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 Sylvite chemical formula.

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Afghanite and Sylvite Specific Gravity

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