Lizardite and Blue John Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.55
  
3.00-3.25
  
Fracture
Not Available
  
Not Available
  
Cleavage
{001} Perfect
  
Not Available
  
Mohs Hardness
Not Available
  
Not Available
  
Chemical Composition
Mg 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
  
CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Lizardite and Blue John Chemical Formula
While comparing Lizardite 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 Lizardite and Blue John chemical formula.
- Chemical formula of Lizardite- Mg 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Blue John- CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Lizardite and Blue John Specific Gravity
Another important criteria for qualitative analysis of gemstones is Lizardite and Blue John Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Lizardite and Blue John Optical Properties during the identification of gemstone. Specific gravity of Lizardite is 3.00-3.25 whereas that of Blue John is 3.00-3.25.