Charlesite and Powellite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
1.79
  
4.23
  
Fracture
Irregular/uneven, Brittle, Metallic
  
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
  
Cleavage
Perfect on {10bar10}
  
{111} Distinct
  
Mohs Hardness
2.5
  
3.5-4
  
Chemical Composition
Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
  
CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Charlesite and Powellite Chemical Formula
While comparing Charlesite and Powellite 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 Powellite chemical formula.
- Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
- Chemical formula of Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Charlesite and Powellite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Charlesite and Powellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Charlesite and Powellite Optical Properties during the identification of gemstone. Specific gravity of Charlesite is 4.23 whereas that of Powellite is 4.23.