Hibonite and Annabergite Physical Properties
Tenacity
Not Available
  
Sectile
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.84
  
3.07
  
Fracture
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
  
Brittle, Metallic, Brittle, Metallic, Brittle, Metallic
  
Cleavage
{0001} good, {10 1 0} parting
  
Perfect on {010}, indistinct on {100} and {102}
  
Mohs Hardness
7.5-8
  
2
  
Chemical Composition
(Ca,Ce)(Al,Ti,Mg)12O19
  
Ni3(AsO4)2•8(H2O)
  
Hibonite and Annabergite Chemical Formula
While comparing Hibonite and Annabergite 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 Annabergite chemical formula.
- Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
- Chemical formula of Annabergite- Ni3(AsO4)2•8(H2O)
Hibonite and Annabergite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hibonite and Annabergite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Annabergite Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 3.07 whereas that of Annabergite is 3.07.