When it comes to choosing the best pick among Green Gemstones gemstones, Pyromorphite is known to be a popular choice!Physical properties of Pyromorphite include its hardness, gravity, fracture, cleavage, etc. For any gemstone crystal, Pyromorphite 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. Pyromorphite cleavage is nothing but the plane across which the crystal splits during cutting. Pyromorphite cleavage is Imperfect- [10 1 1],and specific gravity of Pyromorphite is 6.5-7.1.
The physical properties of Pyromorphite, 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 Pyromorphite is represented by Pb 5(PO 4) 3ClArthur Thomas , Gemstones (2009).