Blue John and Magnesio axinite Axinite Mg Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.00-3.25
  
3.178
  
Fracture
Not Available
  
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
  
Cleavage
Not Available
  
Not Available
  
Mohs Hardness
Not Available
  
6.5
  
Chemical Composition
CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Ca 2 MgAl 2 BSi 4 O 15 OH Gemdat.org, Management Team (2012)
  
Blue John and Magnesio axinite Axinite Mg Chemical Formula
While comparing Blue John and Magnesio axinite Axinite Mg 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 Blue John and Magnesio axinite Axinite Mg chemical formula.
- Chemical formula of Blue John- CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Magnesio axinite Axinite Mg- Ca 2 MgAl 2 BSi 4 O 15 OH Gemdat.org, Management Team (2012)
Blue John and Magnesio axinite Axinite Mg Specific Gravity
Another important criteria for qualitative analysis of gemstones is Blue John and Magnesio axinite Axinite Mg Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Blue John and Magnesio axinite Axinite Mg Optical Properties during the identification of gemstone. Specific gravity of Blue John is 3.178 whereas that of Magnesio axinite Axinite Mg is 3.178.