Caledonite and Cinnabar Physical Properties
Tenacity
Brittle
Slightly sectile
Solubility
Not Available
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
Durability
Not Available
Not Available
Specific Gravity
5.6-5.76
2
Fracture
Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)
Uneven, Uneven, Gemstones (2009), Brittle
Cleavage
[001] perfect; [100] distinct
Prismatic {10 1 0}, perfect
Mohs Hardness
2.5-3
2-2.5
Chemical Composition
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Caledonite and Cinnabar Chemical Formula
While comparing Caledonite 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 Caledonite and Cinnabar chemical formula.
- Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Caledonite and Cinnabar Specific Gravity
Another important criteria for qualitative analysis of gemstones is Caledonite and Cinnabar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Caledonite and Cinnabar Optical Properties during the identification of gemstone. Specific gravity of Caledonite is 2 whereas that of Cinnabar is 2.