Explore: Gemologists

academically trained gemologists and are qualified to identify and evaluate gems. Rudimentary education in gemology for jewellers and gemologists began in the

in 1931. Shortly thereafter, the institute introduced the "Certified Gemologist" professional designation. Vincent Manson, then Director of Strategic

gemological characteristic of gem diamonds. In the twentieth century, gemologists have developed methods of grading diamonds and other gemstones based

Christina Jelena; born 28 February 1994) is an Austrian jewellery designer, gemologist, model, and member of the House of Habsburg-Lorraine. Eleonore Habsburg-Lorraine

caused by alternating internal layers of albite and orthoclase feldspar. Gemologists classify moonstone into several distinct varieties. Blue moonstone represents

referring to desirability. In modern times gemstones are identified by gemologists, who describe gems and their characteristics using technical terminology

diamonds" (PPT). AGA Task Force on Lighting and Color-Grading. Accredited Gemologists Association. 3 February 2010. Retrieved 27 March 2013. See also the 2009

Division (founded in 2004). The Society trains and certifies jewelers, gemologists, and jewelry appraisers. Diamond grading is a specialty of the American

which comprised over 1,000 American gemstones, under Tiffany's chief gemologist, George Frederick Kunz. The collection was exhibited at the World's Fair

eventually verified by a number of independent groups of well-respected gemologists. Mineralienatlas Handbook of Mineralogy Webmineral data Mindat.org Klein