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Chrysoberyl
Chrysoberyl

Afghanite
Afghanite



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Chrysoberyl
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Afghanite

Chrysoberyl and Afghanite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.69-3.81
Uneven, Conchoidal to uneven, ConchoidalWalter Schumann
Distinct on {110}, imperfect on {010}, poor on {001}
8.5
BeAl 2 O 4
 
-
-
-
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)

Chrysoberyl and Afghanite Chemical Formula

While comparing Chrysoberyl 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 Chrysoberyl and Afghanite chemical formula.

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Chrysoberyl and Afghanite Specific Gravity

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