When it comes to choosing the best pick among Gems for Cancer gemstones, Chalcedony is known to be a popular choice!Physical properties of Chalcedony include its hardness, gravity, fracture, cleavage, etc. For any gemstone crystal, Chalcedony 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. Chalcedony cleavage is nothing but the plane across which the crystal splits during cutting. Chalcedony cleavage is Absent,and specific gravity of Chalcedony is 2.55-2.70.
The physical properties of Chalcedony, 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 Chalcedony is represented by SiO2.
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