Edenite 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
3.05-3.37
2
Fracture
Conchoidal, Brittle, Conchoidal
Uneven, Uneven, Gemstones (2009), Brittle
Cleavage
Good on (110)
Prismatic {10 1 0}, perfect
Chemical Composition
NaCa2Mg5Si7AlO22(OH)2
HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Edenite and Cinnabar Chemical Formula
While comparing Edenite 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 Edenite and Cinnabar chemical formula.
- Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2
- Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Edenite and Cinnabar Specific Gravity
Another important criteria for qualitative analysis of gemstones is Edenite and Cinnabar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Edenite and Cinnabar Optical Properties during the identification of gemstone. Specific gravity of Edenite is 2 whereas that of Cinnabar is 2.