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Afghanite
Afghanite

Prasiolite
Prasiolite



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Afghanite
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Prasiolite

Afghanite and Prasiolite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.55-2.652.65
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
Perfect {10 1 0}
3,1
1.7 Mohs Hardness
5.5-67
Amber
2 10
1.8 Chemical Composition
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
SiO 2Ulrich Henn and Claudio C.

Afghanite and Prasiolite Chemical Formula

While comparing Afghanite and Prasiolite 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 Prasiolite chemical formula.

  • Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
  • Chemical formula of Prasiolite- SiO 2Ulrich Henn and Claudio C.

Afghanite and Prasiolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Afghanite and Prasiolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Afghanite and Prasiolite Optical Properties during the identification of gemstone. Specific gravity of Afghanite is 2.65 whereas that of Prasiolite is 2.65.