Grandidierite and Papagoite 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
Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Brittle, Metallic
Cleavage
Perfect
Imperfect in one direction
Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Grandidierite and Papagoite Chemical Formula
While comparing Grandidierite and Papagoite 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 Papagoite chemical formula.
- Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
- Chemical formula of Papagoite- CaCuAlSi 2O 6(OH) 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Grandidierite and Papagoite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Grandidierite and Papagoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Papagoite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 3.25 whereas that of Papagoite is 3.25.