Hibonite and Realgar Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.84
  
3.56
  
Fracture
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
  
(e.g. graphite).
  
Cleavage
{0001} good, {10 1 0} parting
  
{010} Good
  
Mohs Hardness
7.5-8
  
Not Available
  
Chemical Composition
(Ca,Ce)(Al,Ti,Mg)12O19
  
AsSMichael OâDonoghue , Gems, Sixth Edition (2006)
  
Hibonite and Realgar Chemical Formula
While comparing Hibonite and Realgar 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 Realgar chemical formula.
- Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
- Chemical formula of Realgar- AsSMichael OâDonoghue , Gems, Sixth Edition (2006)
Hibonite and Realgar Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hibonite and Realgar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Realgar Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 3.56 whereas that of Realgar is 3.56.