Iddingsite and Sardonyx Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.5-2.8
  
2.55-2.70
  
Fracture
Not Available
  
Not Available
  
Cleavage
{???} Perfect
  
Not Available
  
Mohs Hardness
3
  
6.5-7
  
Chemical Composition
MgO.Fe2O3.3SiO2•4(H2O)
  
SiO 2Ulrich Henn and Claudio C.
  
Iddingsite and Sardonyx Chemical Formula
While comparing Iddingsite and Sardonyx 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 Iddingsite and Sardonyx chemical formula.
- Chemical formula of Iddingsite- MgO.Fe2O3.3SiO2•4(H2O)
- Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
Iddingsite and Sardonyx Specific Gravity
Another important criteria for qualitative analysis of gemstones is Iddingsite and Sardonyx Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Iddingsite and Sardonyx Optical Properties during the identification of gemstone. Specific gravity of Iddingsite is 2.55-2.70 whereas that of Sardonyx is 2.55-2.70.