Pakistan Gems and Jewellery Development Company (PGJDC) has organised a training course on gemstone identification at its Gem Exchange at Namak Mandi, Peshawar. Ilyas Ali Shah, a PGJDC geologist, is ...

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 ...

GemRight Gemology, an independent laboratory based in Singapore, has announced new strides in gem testing, research, and ...

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 ...

What is a gem? -- How gems form -- Crystals -- Classifying gems -- Physical properties -- Optical properties -- Where gemstones are found -- Mining gemstones ...