Chrome Tourmaline and Iolite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.85-3.35
  
2.6-2.7
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009)
  
Not Available
  
Cleavage
3,2
  
3,1
  
Mohs Hardness
7-7.5
  
7-7.5
  
Chemical Composition
Tourmaline is a series of several different minerals with unique chemical formulas.
  
Mg2Al4Si5O18
  
Chrome Tourmaline and Iolite Chemical Formula
While comparing Chrome Tourmaline 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 Chrome Tourmaline and Iolite chemical formula.
- Chemical formula of Chrome Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas.
- Chemical formula of Iolite- Mg2Al4Si5O18
Chrome Tourmaline and Iolite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chrome Tourmaline and Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrome Tourmaline and Iolite Optical Properties during the identification of gemstone. Specific gravity of Chrome Tourmaline is 2.6-2.7 whereas that of Iolite is 2.6-2.7.