Sardonyx and Friedelite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.55-2.70
  
3.06-3.19
  
Fracture
Not Available
  
UnevenArthur Thomas, Gemstones (2009) Tough, UnevenArthur Thomas, Gemstones (2009) Tough, Brittle, Uneven
  
Cleavage
Not Available
  
{010} Perfect
  
Mohs Hardness
6.5-7
  
4-5
  
Chemical Composition
SiO 2Ulrich Henn and Claudio C.
  
Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
  
Sardonyx and Friedelite Chemical Formula
While comparing Sardonyx and Friedelite 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 Friedelite chemical formula.
- Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
- Chemical formula of Friedelite- Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
Sardonyx and Friedelite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sardonyx and Friedelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Friedelite Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 3.06-3.19 whereas that of Friedelite is 3.06-3.19.