When it comes to choosing the best pick among Green Gemstones gemstones, Hurlbutite is known to be a popular choice!Physical properties of Hurlbutite include its hardness, gravity, fracture, cleavage, etc. For any gemstone crystal, Hurlbutite 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. Hurlbutite cleavage is nothing but the plane across which the crystal splits during cutting. Hurlbutite cleavage is None,and specific gravity of Hurlbutite is 2.90.
The physical properties of Hurlbutite, 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 Hurlbutite is represented by CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006).