Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleOther Book Titles.SubjectsBOOK titlesPublicationJournal of Gemmology, 2023, Vol 38, Issue 5, p535ISSN1355-4565Publication typeArticleDOI10.15506/jog.2023.38.5.535a