Cinnabar and Alabaster Physical Properties
Tenacity
Slightly sectile
Not Available
Solubility
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
Not Available
Durability
Not Available
Not Available
Fracture
Uneven, Uneven, Gemstones (2009), Brittle
Not Available
Cleavage
Prismatic {10 1 0}, perfect
Not Available
Chemical Composition
HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
Cinnabar and Alabaster Chemical Formula
While comparing Cinnabar and Alabaster 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 Cinnabar and Alabaster chemical formula.
- Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Alabaster- CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
Cinnabar and Alabaster Specific Gravity
Another important criteria for qualitative analysis of gemstones is Cinnabar and Alabaster Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Alabaster Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 2.30 whereas that of Alabaster is 2.30.