Prase Opal and Charlesite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
1.98-2.25
  
1.79
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Irregular/uneven, Brittle, Metallic
  
Cleavage
Not Available
  
Perfect on {10bar10}
  
Mohs Hardness
5-6.5
  
2.5
  
Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
  
Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
  
Prase Opal and Charlesite Chemical Formula
While comparing Prase Opal and Charlesite 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 Prase Opal and Charlesite chemical formula.
- Chemical formula of Prase Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
- Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
Prase Opal and Charlesite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Prase Opal and Charlesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Prase Opal and Charlesite Optical Properties during the identification of gemstone. Specific gravity of Prase Opal is 1.79 whereas that of Charlesite is 1.79.