Liddicoatite and Grandidierite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.02
  
2.85-3.00
  
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal
  
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
  
Cleavage
{0001} Poor
  
Perfect
  
Mohs Hardness
Not Available
  
7.5
  
Chemical Composition
Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
  
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
  
Liddicoatite and Grandidierite Chemical Formula
While comparing Liddicoatite and Grandidierite 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 Liddicoatite and Grandidierite chemical formula.
- Chemical formula of Liddicoatite- Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
- Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Liddicoatite and Grandidierite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Liddicoatite and Grandidierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Liddicoatite and Grandidierite Optical Properties during the identification of gemstone. Specific gravity of Liddicoatite is 2.85-3.00 whereas that of Grandidierite is 2.85-3.00.