Boracite and Dumortierite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Soluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.95-2.96
3.26-3.41
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Cleavage
None
Distinct on {100}, poor on {110}; parting on {001}
Mohs Hardness
7-7.5
7-8.5
Chemical Composition
Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
AlAl6O3BSi3O18
Boracite and Dumortierite Chemical Formula
While comparing Boracite 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 Boracite and Dumortierite chemical formula.
- Chemical formula of Boracite- Mg 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Dumortierite- AlAl6O3BSi3O18
Boracite and Dumortierite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Boracite and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boracite and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Boracite is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.