Childrenite and Aragonite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Soluble
Dilute acid
Durability
Not Available
Not Available
Specific Gravity
3.06-3.25
2.93-2.96
Fracture
Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
Poor/indistinct on {100}
Distinct on {010}, imperfect {110} and {011}
Mohs Hardness
4.5-5
3.5-4
Chemical Composition
(Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Childrenite and Aragonite Chemical Formula
While comparing Childrenite and Aragonite 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 Aragonite chemical formula.
- Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
- Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Childrenite and Aragonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Childrenite and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Childrenite and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Childrenite is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.