Cinnabar and Hibonite Physical Properties
Tenacity
Slightly sectile
Not Available
Solubility
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
Not Available
Durability
Not Available
Not Available
Fracture
Uneven, Uneven, Gemstones (2009), Brittle
Subconchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Cleavage
Prismatic {10 1 0}, perfect
{0001} good, {10 1 0} parting
Mohs Hardness
2-2.5
7.5-8
Chemical Composition
HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Ca,Ce)(Al,Ti,Mg)12O19
Cinnabar and Hibonite Chemical Formula
While comparing Cinnabar 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 Cinnabar and Hibonite chemical formula.
- Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Hibonite- (Ca,Ce)(Al,Ti,Mg)12O19
Cinnabar and Hibonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Cinnabar and Hibonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Hibonite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 3.84 whereas that of Hibonite is 3.84.