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Gemology and Jewelry: Gemstones This template is within the scope of WikiProject Gemology and Jewelry, a collaborative effort to improve the coverage of Gemology and Jewelry on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.Gemology and JewelryWikipedia:WikiProject Gemology and JewelryTemplate:WikiProject Gemology and JewelryGemology and Jewelry This template is supported by the Gemstones subpage.

Gemmological Classifiactions (by E. Ya. Kievlenko, 1980, updated) based on books:

• Kievlenko, Eugenii Ya. (2003). "General data on gems". In Soregaroli, Dr. Art (ed.). Geology of gems. Ministry of Natural Resources and Environment (Russia). Moscow, Russia: Assoc. Ecost. p. 19. ISBN 5-900395-25-1. — Niklitov (talk) 20:57, 7 July 2016 (UTC)[reply]

Template:Gemstone or Template:Gemstones or Template:Gems? — Niklitov (talk) 20:57, 7 July 2016 (UTC)[reply]