Dumortierite and Kornerupine Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.26-3.41
3.25-3.45
Fracture
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Uneven
Cleavage
Distinct on {100}, poor on {110}; parting on {001}
Good on {110}
Chemical Composition
AlAl6O3BSi3O18
Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Dumortierite and Kornerupine Chemical Formula
While comparing Dumortierite 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 Dumortierite and Kornerupine chemical formula.
- Chemical formula of Dumortierite- AlAl6O3BSi3O18
- Chemical formula of Kornerupine- Mg 3Al 6(Si,Al,B) 5O 21(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Dumortierite and Kornerupine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Dumortierite and Kornerupine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Kornerupine Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 3.25-3.45 whereas that of Kornerupine is 3.25-3.45.