Hibonite and Ettringite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Partially soluble in water
Durability
Not Available
Not Available
Specific Gravity
3.84
1.77
Fracture
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Not Available
Cleavage
{0001} good, {10 1 0} parting
Perfect on {10 1 0}
Mohs Hardness
7.5-8
2-2.5
Chemical Composition
(Ca,Ce)(Al,Ti,Mg)12O19
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Hibonite and Ettringite Chemical Formula
While comparing Hibonite and Ettringite 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 Ettringite chemical formula.
- Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
- Chemical formula of Ettringite- Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Hibonite and Ettringite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hibonite and Ettringite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hibonite and Ettringite Optical Properties during the identification of gemstone. Specific gravity of Hibonite is 1.77 whereas that of Ettringite is 1.77.