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Alabaster
Alabaster

Afghanite
Afghanite



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Alabaster
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Afghanite

Alabaster and Afghanite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.30
-
None
2
CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
 
-
-
-
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)

Alabaster and Afghanite Chemical Formula

While comparing Alabaster 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 Alabaster and Afghanite chemical formula.

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Alabaster and Afghanite Specific Gravity

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