Cinnabar and Covellite Physical Properties
Tenacity
Slightly sectile
Flexible
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
4.6-4.76
Fracture
Uneven, Uneven, Gemstones (2009), Brittle
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Cleavage
Prismatic {10 1 0}, perfect
Perfect on {0001}
Mohs Hardness
2-2.5
Not Available
Chemical Composition
HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Cinnabar and Covellite Chemical Formula
While comparing Cinnabar and Covellite 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 Covellite chemical formula.
- Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Cinnabar and Covellite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Cinnabar and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Covellite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 4.6-4.76 whereas that of Covellite is 4.6-4.76.