Childrenite and Caledonite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.06-3.25
5.6-5.76
Fracture
Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven
Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)
Cleavage
Poor/indistinct on {100}
[001] perfect; [100] distinct
Mohs Hardness
4.5-5
2.5-3
Chemical Composition
(Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Childrenite and Caledonite Chemical Formula
While comparing Childrenite and Caledonite 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 Caledonite chemical formula.
- Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
- Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Childrenite and Caledonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Childrenite and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Childrenite and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Childrenite is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.