Erythrite and Pezzottaite Physical Properties
Tenacity
Sectile
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.06
2.90-3.14
Fracture
Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Cleavage
Perfect on {010}; poor on {100} and { 1 02}.
Imperfect; basal
Mohs Hardness
Not Available
7.5-8
Chemical Composition
Co3(AsO4)2•8(H2O)
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Erythrite and Pezzottaite Chemical Formula
While comparing Erythrite 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 Erythrite and Pezzottaite chemical formula.
- Chemical formula of Erythrite- Co3(AsO4)2•8(H2O)
- Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
Erythrite and Pezzottaite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Erythrite and Pezzottaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Erythrite and Pezzottaite Optical Properties during the identification of gemstone. Specific gravity of Erythrite is 2.90-3.14 whereas that of Pezzottaite is 2.90-3.14.