Charlesite and Hanksite Physical Properties
Tenacity
Brittle
  
Brittle
  
Solubility
Not Available
  
Readily soluble in water
  
Durability
Not Available
  
Not Available
  
Specific Gravity
1.79
  
2.562
  
Fracture
Irregular/uneven, Brittle, Metallic
  
Uneven, Conchoidal, Brittle
  
Cleavage
Perfect on {10bar10}
  
Good on {0001}
  
Mohs Hardness
2.5
  
3-3.5
  
Chemical Composition
Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
  
KNa22(SO4)9(CO3)2Cl
  
Charlesite and Hanksite Chemical Formula
While comparing Charlesite 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 Charlesite and Hanksite chemical formula.
- Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
- Chemical formula of Hanksite- KNa22(SO4)9(CO3)2Cl
Charlesite and Hanksite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Charlesite and Hanksite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Charlesite and Hanksite Optical Properties during the identification of gemstone. Specific gravity of Charlesite is 2.562 whereas that of Hanksite is 2.562.