Sardonyx and Caledonite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.55-2.70
  
5.6-5.76
  
Fracture
Not Available
  
Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)
  
Cleavage
Not Available
  
[001] perfect; [100] distinct
  
Mohs Hardness
6.5-7
  
2.5-3
  
Chemical Composition
SiO 2Ulrich Henn and Claudio C.
  
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
  
Sardonyx and Caledonite Chemical Formula
While comparing Sardonyx and Caledonite 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 Caledonite chemical formula.
- Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
- Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Sardonyx and Caledonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sardonyx and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.