Sardonyx and Phosgenite Physical Properties
Tenacity
Not Available
  
Sectile
  
Solubility
Not Available
  
Soluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.55-2.70
  
6.13
  
Fracture
Not Available
  
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), (e.g. graphite).
  
Cleavage
Not Available
  
Distinct on {001} and {110}, indistinct on {100}
  
Mohs Hardness
6.5-7
  
2-3
  
Chemical Composition
SiO 2Ulrich Henn and Claudio C.
  
Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Sardonyx and Phosgenite Chemical Formula
While comparing Sardonyx and Phosgenite 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 Sardonyx and Phosgenite chemical formula.
- Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
- Chemical formula of Phosgenite- Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Sardonyx and Phosgenite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sardonyx and Phosgenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Phosgenite Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 6.13 whereas that of Phosgenite is 6.13.