Hibonite and Povondraite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.84
3.26
Fracture
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Cleavage
{0001} good, {10 1 0} parting
None
Mohs Hardness
7.5-8
Not Available
Chemical Composition
(Ca,Ce)(Al,Ti,Mg)12O19
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
Hibonite and Povondraite Chemical Formula
While comparing Hibonite and Povondraite 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 Povondraite chemical formula.
- Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
- Chemical formula of Povondraite- NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)
Hibonite and Povondraite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hibonite and Povondraite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Povondraite Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 3.26 whereas that of Povondraite is 3.26.