Childrenite and Grandidierite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.06-3.25
2.85-3.00
Fracture
Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven
Cleavage
Poor/indistinct on {100}
Perfect
Chemical Composition
(Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Childrenite and Grandidierite Chemical Formula
While comparing Childrenite and Grandidierite 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 Childrenite and Grandidierite chemical formula.
- Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
- Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
Childrenite and Grandidierite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Childrenite and Grandidierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Childrenite and Grandidierite Optical Properties during the identification of gemstone. Specific gravity of Childrenite is 2.85-3.00 whereas that of Grandidierite is 2.85-3.00.