Williamsite and Cordierite Iolite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.51-2.63
  
2.56-2.66
  
Fracture
Conchoidal, Conchoidal, Handbook of mineralogy (2001)
  
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Cleavage
Not Available
  
Not Available
  
Mohs Hardness
4
  
7-7.5
  
Chemical Composition
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
  
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
  
Williamsite and Cordierite Iolite Chemical Formula
While comparing Williamsite and Cordierite Iolite 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 Williamsite and Cordierite Iolite chemical formula.
- Chemical formula of Williamsite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
Williamsite and Cordierite Iolite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Williamsite and Cordierite Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Williamsite and Cordierite Iolite Optical Properties during the identification of gemstone. Specific gravity of Williamsite is 2.56-2.66 whereas that of Cordierite Iolite is 2.56-2.66.