Cinnabar and Lazurite Physical Properties
Tenacity
Slightly sectile
  
Brittle
  
Solubility
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
  
Soluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2
  
2.75
  
Fracture
Uneven, Uneven, Gemstones (2009), Brittle
  
Uneven, UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
  
Cleavage
Prismatic {10 1 0}, perfect
  
Imperfect on {110}
  
Mohs Hardness
2-2.5
  
5.5
  
Chemical Composition
HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
(Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
  
Cinnabar and Lazurite Chemical Formula
While comparing Cinnabar and Lazurite 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 Lazurite chemical formula.
- Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Lazurite- (Na,Ca) 8Al 6Si 6O 24(SO 4,S,Cl) 2Ulrich Henn and Claudio C.
Cinnabar and Lazurite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Cinnabar and Lazurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cinnabar and Lazurite Optical Properties during the identification of gemstone. Specific gravity of Cinnabar is 2.75 whereas that of Lazurite is 2.75.