Pezzottaite and Poudretteite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.90-3.14
2.51-2.53
Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Conchoidal, Splintery
Cleavage
Imperfect; basal
None
Chemical Composition
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Pezzottaite and Poudretteite Chemical Formula
While comparing Pezzottaite and Poudretteite 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 Pezzottaite and Poudretteite chemical formula.
- Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
- Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Pezzottaite and Poudretteite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pezzottaite and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.