Tanzanite and Pezzottaite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Hard
Not Available
Specific Gravity
3.35
2.90-3.14
Fracture
Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Cleavage
Perfect {010}, imperfect {100}
Imperfect; basal
Mohs Hardness
6.5-7
7.5-8
Chemical Composition
Ca2Al3(SiO4)3(OH)
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Tanzanite and Pezzottaite Chemical Formula
While comparing Tanzanite 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 Tanzanite and Pezzottaite chemical formula.
- Chemical formula of Tanzanite- Ca2Al3(SiO4)3(OH)
- Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Tanzanite and Pezzottaite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Tanzanite and Pezzottaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tanzanite and Pezzottaite Optical Properties during the identification of gemstone. Specific gravity of Tanzanite is 2.90-3.14 whereas that of Pezzottaite is 2.90-3.14.