Dumortierite and Bastnasite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.26-3.41
4.95-5.0
Fracture
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Uneven
Cleavage
Distinct on {100}, poor on {110}; parting on {001}
Imperfect to indistinct on {10 1 0}, parting on {0001}
Chemical Composition
AlAl6O3BSi3O18
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Dumortierite and Bastnasite Chemical Formula
While comparing Dumortierite and Bastnasite 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 Bastnasite chemical formula.
- Chemical formula of Dumortierite- AlAl6O3BSi3O18
- Chemical formula of Bastnasite- (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Dumortierite and Bastnasite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Dumortierite and Bastnasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Bastnasite Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 4.95-5.0 whereas that of Bastnasite is 4.95-5.0.