Celestine and Dumortierite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.90-4.00
3.26-3.41
Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Cleavage
Perfect on {001}, good on {210}, poor on {010}
Distinct on {100}, poor on {110}; parting on {001}
Mohs Hardness
3-3.5
7-8.5
Chemical Composition
SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
AlAl6O3BSi3O18
Celestine and Dumortierite Chemical Formula
While comparing Celestine 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 Celestine and Dumortierite chemical formula.
- Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Dumortierite- AlAl6O3BSi3O18
Celestine and Dumortierite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Celestine and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Celestine and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Celestine is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.