Melanite and Hibonite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.70-4.10
  
3.84
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
  
Cleavage
Not Available
  
{0001} good, {10 1 0} parting
  
Mohs Hardness
6.5-7
  
7.5-8
  
Chemical Composition
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
  
(Ca,Ce)(Al,Ti,Mg)12O19
  
Melanite and Hibonite Chemical Formula
While comparing Melanite 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 Melanite and Hibonite chemical formula.
- Chemical formula of Melanite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
- Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
Melanite and Hibonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Melanite and Hibonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Melanite and Hibonite Optical Properties during the identification of gemstone. Specific gravity of Melanite is 3.84 whereas that of Hibonite is 3.84.