Benitoite and Grandidierite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Insoluble: HCl
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.61-3.68
2.85-3.00
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Cleavage
[10 1 1] poor
Perfect
Chemical Composition
BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Benitoite and Grandidierite Chemical Formula
While comparing Benitoite 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 Benitoite and Grandidierite chemical formula.
- Chemical formula of Benitoite- BaTiSi 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Benitoite and Grandidierite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Benitoite and Grandidierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Benitoite and Grandidierite Optical Properties during the identification of gemstone. Specific gravity of Benitoite is 2.85-3.00 whereas that of Grandidierite is 2.85-3.00.