Dumortierite and Mimetite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.26-3.41
7.10
Fracture
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Cleavage
Distinct on {100}, poor on {110}; parting on {001}
[10 1 1] Imperfect
Chemical Composition
AlAl6O3BSi3O18
Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Dumortierite and Mimetite Chemical Formula
While comparing Dumortierite and Mimetite 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 Mimetite chemical formula.
- Chemical formula of Dumortierite- AlAl6O3BSi3O18
- Chemical formula of Mimetite- Pb 5(AsO 4) 3ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Dumortierite and Mimetite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Dumortierite and Mimetite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Mimetite Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 7.10 whereas that of Mimetite is 7.10.