Diamond and Iolite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Soluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.50-3.53
  
2.6-2.7
  
Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
  
Not Available
  
Cleavage
111 (perfect in four directions)
  
3,1
  
Mohs Hardness
10
  
7-7.5
  
Chemical Composition
C
  
Mg2Al4Si5O18
  
Diamond and Iolite Chemical Formula
While comparing Diamond 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 Diamond and Iolite chemical formula.
- Chemical formula of Diamond- C
- Chemical formula of Iolite- Mg2Al4Si5O18
Diamond and Iolite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Diamond and Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Diamond and Iolite Optical Properties during the identification of gemstone. Specific gravity of Diamond is 2.6-2.7 whereas that of Iolite is 2.6-2.7.
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