Tinzenite and Blue John Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.355-3.433
  
3.00-3.25
  
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
  
Not Available
  
Cleavage
{???} Good, {???} Good
  
Not Available
  
Mohs Hardness
Not Available
  
Not Available
  
Chemical Composition
(Ca,Mn2+ ,Fe2+ ) 3Al 2BSi 4O 15(OH)Anthony et al , Handbook of mineralogy (2001)
  
CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Tinzenite and Blue John Chemical Formula
While comparing Tinzenite 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 Tinzenite and Blue John chemical formula.
- Chemical formula of Tinzenite- (Ca,Mn2+ ,Fe2+ ) 3Al 2BSi 4O 15(OH)Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Blue John- CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Tinzenite and Blue John Specific Gravity
Another important criteria for qualitative analysis of gemstones is Tinzenite and Blue John Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tinzenite and Blue John Optical Properties during the identification of gemstone. Specific gravity of Tinzenite is 3.00-3.25 whereas that of Blue John is 3.00-3.25.