Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleOTHER EDUCATIONAL OPPORTUNITIES.SubjectsRUBY mines &; mining; GEMOLOGY; SOCIETY of Antiquaries of LondonPublicationJournal of Gemmology, 2017, Vol 35, Issue 6, p558ISSN1355-4565Publication typeCalendar