Colemanite and Cinnabar Physical Properties
Tenacity
Not Available
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
2.40-2.42
2
Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Uneven, Uneven, Gemstones (2009), Brittle
Cleavage
{010} Perfect, {001} Distinct
Prismatic {10 1 0}, perfect
Chemical Composition
Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Colemanite and Cinnabar Chemical Formula
While comparing Colemanite 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 Colemanite and Cinnabar chemical formula.
- Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Colemanite and Cinnabar Specific Gravity
Another important criteria for qualitative analysis of gemstones is Colemanite and Cinnabar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Colemanite and Cinnabar Optical Properties during the identification of gemstone. Specific gravity of Colemanite is 2 whereas that of Cinnabar is 2.