Cordierite Iolite and Simpsonite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.56-2.66
  
Not Available
  
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
  
Cleavage
Not Available
  
None
  
Mohs Hardness
7-7.5
  
7-7.5
  
Chemical Composition
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
  
Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
  
Cordierite Iolite and Simpsonite Chemical Formula
While comparing Cordierite Iolite and Simpsonite 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 Cordierite Iolite and Simpsonite chemical formula.
- Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
- Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
Cordierite Iolite and Simpsonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Cordierite Iolite and Simpsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cordierite Iolite and Simpsonite Optical Properties during the identification of gemstone. Specific gravity of Cordierite Iolite is Not Available whereas that of Simpsonite is Not Available.