Grandidierite and Diamond Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Soluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.85-3.00
  
3.50-3.53
  
Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
  
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
  
Cleavage
Perfect
  
111 (perfect in four directions)
  
Mohs Hardness
7.5
  
10
  
Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
  
C
  
Grandidierite and Diamond Chemical Formula
While comparing Grandidierite and Diamond 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 Diamond chemical formula.
- Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
- Chemical formula of Diamond- C
Grandidierite and Diamond Specific Gravity
Another important criteria for qualitative analysis of gemstones is Grandidierite and Diamond Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Diamond Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 3.50-3.53 whereas that of Diamond is 3.50-3.53.