http://www.flashcardexchange.com/tag/gem www.flashcardexchange.com: gem Flashcards en-us Mon, 28 May 2012 12:09:00 PDT Mon, 28 May 2012 12:09:00 PDT support@flashcardexchange.com 720 http://www.flashcardexchange.com/flashcards/view/516096 Colour and name of stones 2007-10-10 http://www.flashcardexchange.com/flashcards/view/516096 http://www.flashcardexchange.com/flashcards/view/382814 Review questions 2006-09-22 http://www.flashcardexchange.com/flashcards/view/382814