Charlesite 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
Fracture
Irregular/uneven, Brittle, Metallic
Uneven, Uneven, Gemstones (2009), Brittle
Cleavage
Perfect on {10bar10}
Prismatic {10 1 0}, perfect
Chemical Composition
Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Charlesite and Cinnabar Chemical Formula
While comparing Charlesite 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 Charlesite and Cinnabar chemical formula.
- Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)
- Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Charlesite and Cinnabar Specific Gravity
Another important criteria for qualitative analysis of gemstones is Charlesite and Cinnabar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Charlesite and Cinnabar Optical Properties during the identification of gemstone. Specific gravity of Charlesite is 2 whereas that of Cinnabar is 2.