Childrenite and Star Ruby Physical Properties
Tenacity
Not Available
Not Available
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.06-3.25
3.95-4.10
Fracture
Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven
Uneven, Uneven, Gems, Sixth Edition (2006)
Cleavage
Poor/indistinct on {100}
Not Available
Mohs Hardness
4.5-5
Not Available
Chemical Composition
(Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Childrenite and Star Ruby Chemical Formula
While comparing Childrenite and Star Ruby 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 Star Ruby chemical formula.
- Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
- Chemical formula of Star Ruby- Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Childrenite and Star Ruby Specific Gravity
Another important criteria for qualitative analysis of gemstones is Childrenite and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Childrenite and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Childrenite is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.