Benitoite and Cinnabar Physical Properties
Tenacity
-
Slightly sectile
Solubility
Insoluble: HCl
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
Specific Gravity
3.61-3.68
2
Fracture
Conchoidal
Uneven
Cleavage
[10 1 1] poor
Prismatic {10 1 0}, perfect
Mohs Hardness
6-6.5
2-2.5
Chemical Composition
BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Benitoite and Cinnabar Chemical Formula
While comparing Benitoite and Cinnabar 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 Benitoite and Cinnabar chemical formula.
- Chemical formula of Benitoite- BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Benitoite and Cinnabar Specific Gravity
Another important criteria for qualitative analysis of gemstones is Benitoite and Cinnabar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Benitoite and Cinnabar Optical Properties during the identification of gemstone. Specific gravity of Benitoite is 2 whereas that of Cinnabar is 2.