Pezzottaite and Gypsum Physical Properties
Tenacity
Not Available
Flexible
Solubility
Not Available
Soluble
Durability
Not Available
Not Available
Specific Gravity
2.90-3.14
2.20-2.40
Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Conchoidal, Splintery, Fibrous, UnevenArthur Thomas, Gemstones (2009)
Cleavage
Imperfect; basal
Perfect on {010}, distinct on {100}
Chemical Composition
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)
Pezzottaite and Gypsum Chemical Formula
While comparing Pezzottaite and Gypsum 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 Gypsum chemical formula.
- Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
- Chemical formula of Gypsum- CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)
Pezzottaite and Gypsum Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pezzottaite and Gypsum Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Gypsum Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 2.20-2.40 whereas that of Gypsum is 2.20-2.40.