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Vanadinite
Vanadinite

Afghanite
Afghanite



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Vanadinite
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Afghanite

Vanadinite and Afghanite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
6.8-7.1
Uneven, Conchoidal
None
3-4
C20H36
 
-
-
-
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)

Vanadinite and Afghanite Chemical Formula

While comparing Vanadinite 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 Vanadinite and Afghanite chemical formula.

  • Chemical formula of Vanadinite- C20H36
  • Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Vanadinite and Afghanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vanadinite and Afghanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vanadinite and Afghanite Optical Properties during the identification of gemstone. Specific gravity of Vanadinite is 2.55-2.65 whereas that of Afghanite is 2.55-2.65.