Sonolite and Blue John Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.82-4.00
  
3.00-3.25
  
Fracture
Not Available
  
Not Available
  
Cleavage
{???} Indistinct
  
Not Available
  
Mohs Hardness
5.5
  
Not Available
  
Chemical Composition
Mn2+9(SiO 4) 4(OH,F) 2Anthony et al , Handbook of mineralogy (2001)
  
CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Sonolite and Blue John Chemical Formula
While comparing Sonolite and Blue John 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 Sonolite and Blue John chemical formula.
- Chemical formula of Sonolite- Mn2+9(SiO 4) 4(OH,F) 2Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Blue John- CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Sonolite and Blue John Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sonolite and Blue John Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sonolite and Blue John Optical Properties during the identification of gemstone. Specific gravity of Sonolite is 3.00-3.25 whereas that of Blue John is 3.00-3.25.