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On this site, we discuss issues about practical aspects of Gemology science. The information includes knowledge concerning gemological raw materials, origin study - natural or synthetic gemstones, methods and equipment for gemstone identification and grading, treatment, types of composite materials, deposits, news.

This information supports students, appraisers, jewelers, dealers, pawnbrokers, insurers, hobbyists, and collectors of minerals in their hobby or professional activity. The site is an opportunity to collaborate with people interested in gemstone testing and grading.

Feedback is established for consultations, sharing information, and questions.