Whitlockite and Hibonite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.12
  
3.84
  
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
  
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
  
Cleavage
None
  
{0001} good, {10 1 0} parting
  
Mohs Hardness
Not Available
  
7.5-8
  
Chemical Composition
Ca 9(Mg,Fe2+ )(PO 4) 6(PO 3OH)Anthony et al , Handbook of mineralogy (2001)
  
(Ca,Ce)(Al,Ti,Mg)12O19
  
Whitlockite and Hibonite Chemical Formula
While comparing Whitlockite 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 Whitlockite and Hibonite chemical formula.
- Chemical formula of Whitlockite- Ca 9(Mg,Fe2+ )(PO 4) 6(PO 3OH)Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
Whitlockite and Hibonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Whitlockite and Hibonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Whitlockite and Hibonite Optical Properties during the identification of gemstone. Specific gravity of Whitlockite is 3.84 whereas that of Hibonite is 3.84.