Grandidierite and Hibonite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.85-3.00
3.84
Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Cleavage
Perfect
{0001} good, {10 1 0} parting
Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
(Ca,Ce)(Al,Ti,Mg)12O19
Grandidierite and Hibonite Chemical Formula
While comparing Grandidierite 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 Grandidierite and Hibonite chemical formula.
- Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
- Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
Grandidierite and Hibonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Grandidierite and Hibonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Hibonite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 3.84 whereas that of Hibonite is 3.84.