Pakistan Gems and Jewellery Development Company (PGJDC) has arranged a training course on Gemstone Identification and Grading at the Gem Exchange, Namak Mandi, in Peshawar on Tuesday. This two-week ...
LONDON, ENGLAND - OCTOBER 22: A rare ruby and diamond necklace and ruby earings from the 19th Century are displayed at Sotheby's in London. (Photo by Peter Macdiarmid/Getty Images) A teacher I had at ...
Spectroscopy was first used for studying minerals and gems soon after Isaac Newton attempted to separate sunlight into its component colors with the help of a prism. By the mid-1800s, researchers ...
Pakistan Gems and Jewellery Development Company (PGJDC) has arranged a one-week training course on "Gem Identification" at the Gems Exchange, Peshawar. The course that started on Monday will run until ...
GemRight Gemology announces advancements in gemological research, education, and advisory services, establishing regional leadership.
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