Hemimorphite and Cinnabar Physical Properties
Tenacity
Brittle
Slightly sectile
Solubility
Soluble
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
Specific Gravity
3.30-3.50
2
Fracture
Uneven, ConchoidalWalter Schumann, Conchoidal
Uneven
Cleavage
Perfect on {110}, poor on {101}, {001} rare
Prismatic {10 1 0}, perfect
Chemical Composition
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Hemimorphite and Cinnabar Chemical Formula
While comparing Hemimorphite 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 Hemimorphite and Cinnabar chemical formula.
- Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Hemimorphite and Cinnabar Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hemimorphite and Cinnabar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hemimorphite and Cinnabar Optical Properties during the identification of gemstone. Specific gravity of Hemimorphite is 2 whereas that of Cinnabar is 2.