Zinnwaldite and Jade Physical Properties
Tenacity
Elastic
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.9-3.1
  
2.90-3.38
  
Fracture
Uneven
  
Gemstones of the world (2001), Difficult, Splintery
  
Cleavage
Perfect basal {001}
  
1 or 2,2 prismatic.
  
Mohs Hardness
3.5-4.0
  
6-7
  
Chemical Composition
Not Available
  
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
  
Zinnwaldite and Jade Chemical Formula
While comparing Zinnwaldite and Jade 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 Zinnwaldite and Jade chemical formula.
>- Chemical formula of Jade- Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
Zinnwaldite and Jade Specific Gravity
Another important criteria for qualitative analysis of gemstones is Zinnwaldite and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Zinnwaldite and Jade Optical Properties during the identification of gemstone. Specific gravity of Zinnwaldite is 2.90-3.38 whereas that of Jade is 2.90-3.38.