When it comes to choosing the best pick among Red Gemstones gemstones, Bastnasite is known to be a popular choice!Physical properties of Bastnasite include its hardness, gravity, fracture, cleavage, etc. For any gemstone crystal, Bastnasite 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. Bastnasite cleavage is nothing but the plane across which the crystal splits during cutting. Bastnasite cleavage is Imperfect to indistinct on , parting on ,and specific gravity of Bastnasite is 4.95-5.0.
The physical properties of Bastnasite, 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 Bastnasite is represented by (Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references.