Cinnabar and Star Ruby 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
Specific Gravity
2
3.95-4.10
Fracture
Uneven, Uneven, Gemstones (2009), Brittle
Uneven, Uneven, Gems, Sixth Edition (2006)
Cleavage
Prismatic {10 1 0}, perfect
Not Available
Mohs Hardness
2-2.5
Not Available
Chemical Composition
HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Cinnabar and Star Ruby Chemical Formula
While comparing Cinnabar and Star Ruby 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 Star Ruby chemical formula.
- Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Star Ruby- Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Cinnabar and Star Ruby Specific Gravity
Another important criteria for qualitative analysis of gemstones is Cinnabar and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.