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Emerald is a gemstone and a variety of the mineral beryl (Be 3 Al 2 ... Faceted emeralds are most commonly given an oval cut, or the signature emerald cut, a ...
The three main emerald mining areas in Colombia are Muzo, Coscuez, and Chivor. [10] Rare "trapiche" emeralds are found in Colombia, distinguished by ray-like spokes of dark impurities. Zambia is the world's second biggest producer, with Kagem mine being the world's largest emerald mine [ 11 ] responsible for 25–30% of the world's production ...
The diamond cut planning stage is a complex process that requires the cutter to work with unique rough stones. Very often, the location of the inclusions in a rough stone will determine the type of shape to which a diamond may be cut. For economic reasons, most diamonds are cut to retain weight instead of maximizing brilliance. [2]
Stones cut as smooth, dome-shaped stones called cabochons or simply cab. These have been a popular shape since ancient time and is more durable than faceted gems. [34] Stones which are cut with a faceting machine by polishing small flat windows called facets at regular intervals at exact angles. [34]
This is a list of gemstones, organized by species and types. Minerals ... Emerald. Trapiche emerald (var.) Goshenite; Golden beryl; Heliodor; Morganite; Red beryl ...
Designed by Jean Dousset, the piece of jewelry features a lab-grown, emerald-cut stone that's crystal clear. It sits atop a thin, diamond-encrusted band. Nina Dobrev accepted a large, pear-shaped ...
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