Cinnabar and Bustamite Physical Properties
Tenacity
Slightly sectile
-
Solubility
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
Partly soluble in HCl.
Specific Gravity
2
3.32-3.43
Fracture
Uneven
Conchoidal
Cleavage
Prismatic {10 1 0}, perfect
{100} perfect; {110} and {1 1 0} good; {010} poor
Mohs Hardness
2-2.5
5.5-6
Chemical Composition
HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Cinnabar and Bustamite Chemical Formula
While comparing Cinnabar and Bustamite 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 Bustamite chemical formula.
- Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Cinnabar and Bustamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Cinnabar and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.