Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleIridescent Spondylus Pearl.AuthorsHomkrajae, ArtitayaAbstractThe article focuses on the spondylus pearls examined by the Gemological Institute of America (GIA) wherein an optical phenomenon of iridescence has been observed.SubjectsPEARLS; IRIDESCENCE; GEMOLOGICAL Institute of AmericaPublicationGems & Gemology, 2016, Vol 52, Issue 2, p202ISSN0016-626XPublication typeArticle