Pezzottaite and Mellite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.90-3.14
1.58-1.60
Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Cleavage
Imperfect; basal
{011} Imperfect
Chemical Composition
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
Pezzottaite and Mellite Chemical Formula
While comparing Pezzottaite and Mellite 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 Mellite chemical formula.
- Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
- Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.
Pezzottaite and Mellite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pezzottaite and Mellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Mellite Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 1.58-1.60 whereas that of Mellite is 1.58-1.60.