Childrenite and Celestine Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Soluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.06-3.25
  
3.90-4.00
  
Fracture
Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven
  
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
  
Cleavage
Poor/indistinct on {100}
  
Perfect on {001}, good on {210}, poor on {010}
  
Mohs Hardness
4.5-5
  
3-3.5
  
Chemical Composition
(Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
  
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Childrenite and Celestine Chemical Formula
While comparing Childrenite and Celestine 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 Celestine chemical formula.
- Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
- Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Childrenite and Celestine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Childrenite and Celestine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Childrenite and Celestine Optical Properties during the identification of gemstone. Specific gravity of Childrenite is 3.90-4.00 whereas that of Celestine is 3.90-4.00.