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