Childrenite and Forsterite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.06-3.25
3.23-3.26
Fracture
Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Cleavage
Poor/indistinct on {100}
Perfect on {010} imperfect on {100}
Mohs Hardness
4.5-5
6.5-7
Chemical Composition
(Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Childrenite and Forsterite Chemical Formula
While comparing Childrenite and Forsterite 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 Forsterite chemical formula.
- Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
- Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Childrenite and Forsterite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Childrenite and Forsterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Childrenite and Forsterite Optical Properties during the identification of gemstone. Specific gravity of Childrenite is 3.23-3.26 whereas that of Forsterite is 3.23-3.26.