Childrenite and Chrome-Chalcedony Physical Properties
Tenacity
Not Available
Not Available
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.06-3.25
2.55-2.70
Fracture
Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven
Not Available
Cleavage
Poor/indistinct on {100}
Not Available
Mohs Hardness
4.5-5
6.5-7
Chemical Composition
(Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Childrenite and Chrome-Chalcedony Chemical Formula
While comparing Childrenite and Chrome-Chalcedony 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 Chrome-Chalcedony chemical formula.
- Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
- Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
Childrenite and Chrome-Chalcedony Specific Gravity
Another important criteria for qualitative analysis of gemstones is Childrenite and Chrome-Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Childrenite and Chrome-Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Childrenite is 2.55-2.70 whereas that of Chrome-Chalcedony is 2.55-2.70.