Afghanite and Kurnakovite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Soluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.55-2.65
  
1.847-1.852
  
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle
  
Brittle, Conchoidal
  
Cleavage
Perfect {10 1 0}
  
Poor to indistinct on {010}
  
Mohs Hardness
5.5-6
  
2-3
  
Chemical Composition
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
  
Not Available
  
Afghanite and Kurnakovite Chemical Formula
While comparing Afghanite and Kurnakovite 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 Kurnakovite 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)
>
Afghanite and Kurnakovite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Afghanite and Kurnakovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Afghanite and Kurnakovite Optical Properties during the identification of gemstone. Specific gravity of Afghanite is 1.847-1.852 whereas that of Kurnakovite is 1.847-1.852.