When it comes to choosing the best pick among Gems for Leo gemstones, Dumortierite is known to be a popular choice!Physical properties of Dumortierite include its hardness, gravity, fracture, cleavage, etc. For any gemstone crystal, Dumortierite Optical Properties are responsible for imparting various physical properties to its structure. Knowledge of these properties is equally important to gem-cutters as well as to consumers. Dumortierite cleavage is nothing but the plane across which the crystal splits during cutting. Dumortierite cleavage is Distinct on , poor on ; parting on ,and specific gravity of Dumortierite is 3.26-3.41.
The physical properties of Dumortierite, in fact, are imparted by the chemical composition of its individual molecule. The reactivity or inertness of the crystal is solely governed by its chemical structure. Chemical composition of Dumortierite is represented by AlAl6O3BSi3O18.