When it comes to choosing the best pick among Gems for Virgo gemstones, Sugilite is known to be a popular choice!Physical properties of Sugilite include its hardness, gravity, fracture, cleavage, etc. For any gemstone crystal, Sugilite 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. Sugilite cleavage is nothing but the plane across which the crystal splits during cutting. Sugilite cleavage is Poor on ,and specific gravity of Sugilite is 2.69-2.79.
The physical properties of Sugilite, 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 Sugilite is represented by KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references.
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