Hibonite and Zincite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.84
  
5.50-5.90
  
Fracture
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
  
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
  
Cleavage
{0001} good, {10 1 0} parting
  
On {10 1 0}, perfect; parting on {000 1 }
  
Mohs Hardness
7.5-8
  
4
  
Chemical Composition
(Ca,Ce)(Al,Ti,Mg)12O19
  
(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
  
Hibonite and Zincite Chemical Formula
While comparing Hibonite and Zincite 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 Zincite chemical formula.
- Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
- Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Hibonite and Zincite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hibonite and Zincite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Zincite Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 5.50-5.90 whereas that of Zincite is 5.50-5.90.