When it comes to choosing the best pick among Red Gemstones gemstones, Neptunite is known to be a popular choice!Physical properties of Neptunite include its hardness, gravity, fracture, cleavage, etc. For any gemstone crystal, Neptunite 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. Neptunite cleavage is nothing but the plane across which the crystal splits during cutting. Neptunite cleavage is good,and specific gravity of Neptunite is 3.19-3.23.
The physical properties of Neptunite, 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 Neptunite is represented by KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006).
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