Hibonite and Spessartine Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.84
4.12-4.18
Fracture
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
ConchoidalArthur Thomas, Conchoidal, Brittle
Cleavage
{0001} good, {10 1 0} parting
{???} Distinct
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 Spessartine Chemical Formula
While comparing Hibonite and 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 Spessartine chemical formula.
- Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
- Chemical formula of Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Hibonite and Spessartine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hibonite and Spessartine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Spessartine Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 4.12-4.18 whereas that of Spessartine is 4.12-4.18.