Labradorite and Hibonite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.69-2.72
  
3.84
  
Fracture
Uneven, Conchoidal, Gems, Sixth Edition (2006)
  
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
  
Cleavage
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
  
{0001} good, {10 1 0} parting
  
Mohs Hardness
6-6.5
  
7.5-8
  
Chemical Composition
(Na,Ca)1-2Si3-2O8
  
(Ca,Ce)(Al,Ti,Mg)12O19
  
Labradorite and Hibonite Chemical Formula
While comparing Labradorite 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 Labradorite and Hibonite chemical formula.
- Chemical formula of Labradorite- (Na,Ca)1-2Si3-2O8
- Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
Labradorite and Hibonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Labradorite and Hibonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite and Hibonite Optical Properties during the identification of gemstone. Specific gravity of Labradorite is 3.84 whereas that of Hibonite is 3.84.