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Gemology and Jewelry This category 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

Why are all the stones in this category mentioned twice: once in the main category and once in the sub-categories? Is there some good reason for this? w.carter-Talk 06:54, 22 November 2015 (UTC)[reply]