Charlesite and Moldavite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
1.79
  
2.32-2.38
  
Fracture
Irregular/uneven, Brittle, Metallic
  
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Cleavage
Perfect on {10bar10}
  
Not Available
  
Mohs Hardness
2.5
  
5.5
  
Chemical Composition
Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
  
SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)
  
Charlesite and Moldavite Chemical Formula
While comparing Charlesite and Moldavite 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 Moldavite chemical formula.
- Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
- Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)
Charlesite and Moldavite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Charlesite and Moldavite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Charlesite and Moldavite Optical Properties during the identification of gemstone. Specific gravity of Charlesite is 2.32-2.38 whereas that of Moldavite is 2.32-2.38.