Hibonite and Pyrope Spessartine Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.84
  
3.62-4.33
  
Fracture
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
  
Uneven, Uneven, ConchoidalGemdat.org, Management Team (2012)
  
Cleavage
{0001} good, {10 1 0} parting
  
Not Available
  
Mohs Hardness
7.5-8
  
7-7.5
  
Chemical Composition
(Ca,Ce)(Al,Ti,Mg)12O19
  
Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
  
Hibonite and Pyrope Spessartine Chemical Formula
While comparing Hibonite and Pyrope Spessartine 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 Pyrope Spessartine chemical formula.
- Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
- Chemical formula of Pyrope Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Hibonite and Pyrope Spessartine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hibonite and Pyrope Spessartine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Pyrope Spessartine Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 3.62-4.33 whereas that of Pyrope Spessartine is 3.62-4.33.