Jade and Spodumene Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
insoluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.90-3.38
  
3.15-3.21
  
Fracture
Gemstones of the world (2001), Difficult, Splintery
  
Uneven, Subconchoidal, Gemstones (2009)
  
Cleavage
1 or 2,2 prismatic.
  
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
  
Mohs Hardness
6-7
  
6-7
  
Chemical Composition
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
  
LiAlSi2O6
  
Jade and Spodumene Chemical Formula
While comparing Jade 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 Jade and Spodumene chemical formula.
- Chemical formula of Jade- Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
- Chemical formula of Spodumene- LiAlSi2O6
Jade and Spodumene Specific Gravity
Another important criteria for qualitative analysis of gemstones is Jade and Spodumene Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jade and Spodumene Optical Properties during the identification of gemstone. Specific gravity of Jade is 3.15-3.21 whereas that of Spodumene is 3.15-3.21.