Childrenite and Marialite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.06-3.25
2.50
Fracture
Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Cleavage
Poor/indistinct on {100}
Distinct on {100} and {110}
Mohs Hardness
4.5-5
5.5-6
Chemical Composition
(Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
Childrenite and Marialite Chemical Formula
While comparing Childrenite and Marialite 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 Marialite chemical formula.
- Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
- Chemical formula of Marialite- 3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)
Childrenite and Marialite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Childrenite and Marialite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Childrenite and Marialite Optical Properties during the identification of gemstone. Specific gravity of Childrenite is 2.50 whereas that of Marialite is 2.50.