Afghanite and Hanksite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Readily soluble in water
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.55-2.65
  
2.562
  
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle
  
Uneven, Conchoidal, Brittle
  
Cleavage
Perfect {10 1 0}
  
Good on {0001}
  
Mohs Hardness
5.5-6
  
3-3.5
  
Chemical Composition
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
  
KNa22(SO4)9(CO3)2Cl
  
Afghanite and Hanksite Chemical Formula
While comparing Afghanite and Hanksite 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 Hanksite 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 Hanksite- KNa22(SO4)9(CO3)2Cl
Afghanite and Hanksite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Afghanite and Hanksite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Afghanite and Hanksite Optical Properties during the identification of gemstone. Specific gravity of Afghanite is 2.562 whereas that of Hanksite is 2.562.