Sardonyx and Spodumene Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
insoluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.55-2.70
  
3.15-3.21
  
Fracture
Not Available
  
Uneven, Subconchoidal, Gemstones (2009)
  
Cleavage
Not Available
  
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
  
Mohs Hardness
6.5-7
  
6-7
  
Chemical Composition
SiO 2Ulrich Henn and Claudio C.
  
LiAlSi2O6
  
Sardonyx and Spodumene Chemical Formula
While comparing Sardonyx and Spodumene 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 Spodumene chemical formula.
- Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
- Chemical formula of Spodumene- LiAlSi2O6
Sardonyx and Spodumene Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sardonyx and Spodumene Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Spodumene Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 3.15-3.21 whereas that of Spodumene is 3.15-3.21.