Grandidierite and Spodumene Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
insoluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.85-3.00
  
3.15-3.21
  
Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
  
Uneven, Subconchoidal, Gemstones (2009)
  
Cleavage
Perfect
  
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
  
Mohs Hardness
7.5
  
6-7
  
Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
  
LiAlSi2O6
  
Grandidierite and Spodumene Chemical Formula
While comparing Grandidierite 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 Grandidierite and Spodumene chemical formula.
- Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
- Chemical formula of Spodumene- LiAlSi2O6
Grandidierite and Spodumene Specific Gravity
Another important criteria for qualitative analysis of gemstones is Grandidierite and Spodumene Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Spodumene Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 3.15-3.21 whereas that of Spodumene is 3.15-3.21.