Childrenite and Kornerupine Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Soluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.06-3.25
  
3.25-3.45
  
Fracture
Sub-Conchoidal, ConchoidalArthur Thomas, Conchoidal, Uneven
  
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven
  
Cleavage
Poor/indistinct on {100}
  
Good on {110}
  
Mohs Hardness
4.5-5
  
6.5
  
Chemical Composition
(Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
  
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
  
Childrenite and Kornerupine Chemical Formula
While comparing Childrenite and Kornerupine 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 Kornerupine chemical formula.
- Chemical formula of Childrenite- (Fe,Mn)AlPO 4(OH) 2 -H 2OArthur Thomas , Gemstones (2009)
- Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Childrenite and Kornerupine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Childrenite and Kornerupine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Childrenite and Kornerupine Optical Properties during the identification of gemstone. Specific gravity of Childrenite is 3.25-3.45 whereas that of Kornerupine is 3.25-3.45.