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Chrysoberyl
Chrysoberyl

Afghanite
Afghanite



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Chrysoberyl
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Afghanite

Chrysoberyl and Afghanite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.69-3.812.55-2.65
Amber
1 7.18
1.5 Fracture
Uneven, Conchoidal to uneven, Brittle, Metallic, Uneven, ConchoidalWalter Schumann, Brittle, Metallic
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle
1.6 Cleavage
Distinct on {110}, imperfect on {010}, poor on {001}
Perfect {10 1 0}
1.7 Mohs Hardness
8.55.5-6
Amber
2 10
1.8 Chemical Composition
BeAl 2 O 4
(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.

  • Chemical formula of Chrysoberyl- BeAl 2 O 4
  • Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

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 and Afghanite Optical Properties during the identification of gemstone. Specific gravity of Chrysoberyl is 2.55-2.65 whereas that of Afghanite is 2.55-2.65.