Pezzottaite and Childrenite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Soluble
Durability
Not Available
Not Available
Specific Gravity
2.90-3.14
3.06-3.25
Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven
Cleavage
Imperfect; basal
Poor/indistinct on {100}
Mohs Hardness
7.5-8
4.5-5
Chemical Composition
(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
(Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
Pezzottaite and Childrenite Chemical Formula
While comparing Pezzottaite and Childrenite 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 Childrenite chemical formula.
- Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.
- Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
Pezzottaite and Childrenite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pezzottaite and Childrenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Childrenite Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 3.06-3.25 whereas that of Childrenite is 3.06-3.25.