Childrenite and Anorthite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.06-3.25
2.77
Fracture
Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven
Uneven, Uneven, Gems, Sixth Edition (2006)
Cleavage
Poor/indistinct on {100}
Perfect [001] good [010] poor [110]
Mohs Hardness
4.5-5
6-6.5
Chemical Composition
(Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Childrenite and Anorthite Chemical Formula
While comparing Childrenite and Anorthite 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 Anorthite chemical formula.
- Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
- Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Childrenite and Anorthite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Childrenite and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Childrenite and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Childrenite is 2.77 whereas that of Anorthite is 2.77.