Jadeite and Iolite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.28-3.38
  
2.6-2.7
  
Fracture
Splintery, UnevenArthur Thomas, Difficult, Fibrous
  
Not Available
  
Cleavage
Good on [110]
  
3,1
  
Mohs Hardness
6.5-7
  
7-7.5
  
Chemical Composition
NaAlSi 2O 6Ulrich Henn and Claudio C.
  
Mg2Al4Si5O18
  
Jadeite and Iolite Chemical Formula
While comparing Jadeite and 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 Jadeite and Iolite chemical formula.
- Chemical formula of Jadeite- NaAlSi 2O 6Ulrich Henn and Claudio C.
- Chemical formula of Iolite- Mg2Al4Si5O18
Jadeite and Iolite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Jadeite and Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jadeite and Iolite Optical Properties during the identification of gemstone. Specific gravity of Jadeite is 2.6-2.7 whereas that of Iolite is 2.6-2.7.