Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePink Play-of-Colour Opal from Idaho.AuthorsLaurs, Brendan M.AbstractThe article focuses on the pink play-of-colour opal which is mined in Spencer, Idaho which was shown at the 2015 Tucson gem shows and the pink opal produced by jewelry store Spencer Opal Mines LLC.SubjectsIDAHO; OPALS; MINES &; mineral resources; SPENCER Opal Mines LLCPublicationJournal of Gemmology, 2015, Vol 34, Issue 5, p390ISSN1355-4565Publication typeArticle