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