Edenite and Hibonite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.05-3.37
  
3.84
  
Fracture
Conchoidal, Brittle, Conchoidal
  
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
  
Cleavage
Good on (110)
  
{0001} good, {10 1 0} parting
  
Mohs Hardness
5-6
  
7.5-8
  
Chemical Composition
NaCa2Mg5Si7AlO22(OH)2
  
(Ca,Ce)(Al,Ti,Mg)12O19
  
Edenite and Hibonite Chemical Formula
While comparing Edenite and Hibonite 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 Edenite and Hibonite chemical formula.
- Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2
- Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
Edenite and Hibonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Edenite and Hibonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Edenite and Hibonite Optical Properties during the identification of gemstone. Specific gravity of Edenite is 3.84 whereas that of Hibonite is 3.84.