Transvaal Jade and Dumortierite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.55-3.73
  
3.26-3.41
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
  
Cleavage
Not Available
  
Distinct on {100}, poor on {110}; parting on {001}
  
Mohs Hardness
7-7.5
  
7-8.5
  
Chemical Composition
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
  
AlAl6O3BSi3O18
  
Transvaal Jade and Dumortierite Chemical Formula
While comparing Transvaal Jade and Dumortierite 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 Transvaal Jade and Dumortierite chemical formula.
- Chemical formula of Transvaal Jade- Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
- Chemical formula of Dumortierite- AlAl6O3BSi3O18
Transvaal Jade and Dumortierite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Transvaal Jade and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Transvaal Jade and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Transvaal Jade is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.