Grandidierite and Pezzottaite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.85-3.00
2.90-3.14
Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Cleavage
Perfect
Imperfect; basal
Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Grandidierite and Pezzottaite Chemical Formula
While comparing Grandidierite and Pezzottaite 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 Pezzottaite chemical formula.
- Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
- Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Grandidierite and Pezzottaite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Grandidierite and Pezzottaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Grandidierite and Pezzottaite Optical Properties during the identification of gemstone. Specific gravity of Grandidierite is 2.90-3.14 whereas that of Pezzottaite is 2.90-3.14.