Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleGems & Gemology.AbstractThe article presents a photograph of green gem stones before and after they are polished.SubjectsGEMS &; precious stones; MINERALSPublicationGems & Gemology, 2011, Vol 47, Issue 3, piISSN0016-626XPublication typeCover Art