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As gemstone wholesalers we at www.gemrockauctions.com offer a wide range of Gemstones, loose gemstones and other high quality products Including Emerald which is a variety of the mineral beryl, coloured green by trace amounts of chromium and sometimes vanadium. It is a highly sought-after precious Gem, which for centuries has been widely used in the creation and encrustation of jewellery and everyday items. - Since the time of Cleopatra and continuing today, emeralds have set the standard for the ultimate colour in green gemstones. - Their Chemical Composition number is Si03 and its hardness ratio is between 6 to 8. Emerald gemstones cut beautiful faceted shades and do have inclusions - The owners of www.gemrockauctions.com have their own factory and source their rocks and gemstones directly from miners or as close as possible in order to receive the right price, our factory can offer high discounts on sales we have 16 staff who cut gemstones full time and produce high quality products - we don’t cut artificial gemstones.