Hibonite and Iolite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.84
  
2.6-2.7
  
Fracture
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
  
Not Available
  
Cleavage
{0001} good, {10 1 0} parting
  
3,1
  
Mohs Hardness
7.5-8
  
7-7.5
  
Chemical Composition
(Ca,Ce)(Al,Ti,Mg)12O19
  
Mg2Al4Si5O18
  
Hibonite and Iolite Chemical Formula
While comparing Hibonite 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 Hibonite and Iolite chemical formula.
- Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
- Chemical formula of Iolite- Mg2Al4Si5O18
Hibonite and Iolite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hibonite and Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Iolite Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 2.6-2.7 whereas that of Iolite is 2.6-2.7.