Dumortierite and Azurite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.26-3.41
3.70-3.90
Fracture
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Cleavage
Distinct on {100}, poor on {110}; parting on {001}
Perfect on {011}, fair on {100}, poor on {110}
Mohs Hardness
7-8.5
3.5-4
Chemical Composition
AlAl6O3BSi3O18
Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Dumortierite and Azurite Chemical Formula
While comparing Dumortierite and Azurite 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 Azurite chemical formula.
- Chemical formula of Dumortierite- AlAl6O3BSi3O18
- Chemical formula of Azurite- Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Dumortierite and Azurite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Dumortierite and Azurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Azurite Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 3.70-3.90 whereas that of Azurite is 3.70-3.90.