Emerald and Cordierite Iolite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Hard
  
Not Available
  
Specific Gravity
2.67-2.78
  
2.56-2.66
  
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Cleavage
Imperfect on the [0001]
  
Not Available
  
Mohs Hardness
7.5-8
  
7-7.5
  
Chemical Composition
Be3Al2SiO6
  
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
  
Emerald and Cordierite Iolite Chemical Formula
While comparing Emerald 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 Emerald and Cordierite Iolite chemical formula.
- Chemical formula of Emerald- Be3Al2SiO6
- Chemical formula of Cordierite Iolite- Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.
Emerald and Cordierite Iolite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Emerald and Cordierite Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Cordierite Iolite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 2.56-2.66 whereas that of Cordierite Iolite is 2.56-2.66.
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