Grandidierite and Jade Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.85-3.00
  
2.90-3.38
  
Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
  
Gemstones of the world (2001), Difficult, Splintery
  
Cleavage
Perfect
  
1 or 2,2 prismatic.
  
Mohs Hardness
7.5
  
6-7
  
Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
  
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
  
Grandidierite and Jade Chemical Formula
While comparing Grandidierite 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 Grandidierite and Jade chemical formula.
- Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
- Chemical formula of Jade- Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6
Grandidierite and Jade Specific Gravity
Another important criteria for qualitative analysis of gemstones is Grandidierite and Jade Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Jade Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 2.90-3.38 whereas that of Jade is 2.90-3.38.