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Afghanite
Afghanite

Selenite
Selenite



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Afghanite
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Selenite

Afghanite and Selenite Physical Properties

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)
 
-
-
-
-9999
-
Perfect
2
CaSO4·2H2O

Afghanite and Selenite Chemical Formula

While comparing Afghanite and Selenite 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 Selenite chemical formula.

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Afghanite and Selenite Specific Gravity

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