Grandidierite and Vesuvianite Idocrase Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.85-3.00
  
3.25-3.50
  
Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
  
Uneven, Uneven, Gemstones of the world (2001) More from other references
  
Cleavage
Perfect
  
Not Available
  
Mohs Hardness
7.5
  
Not Available
  
Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
  
Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.
  
Grandidierite and Vesuvianite Idocrase Chemical Formula
While comparing Grandidierite and Vesuvianite Idocrase 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 Vesuvianite Idocrase chemical formula.
- Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
- Chemical formula of Vesuvianite Idocrase- Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.
Grandidierite and Vesuvianite Idocrase Specific Gravity
Another important criteria for qualitative analysis of gemstones is Grandidierite and Vesuvianite Idocrase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Vesuvianite Idocrase Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 3.25-3.50 whereas that of Vesuvianite Idocrase is 3.25-3.50.