Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.Title"Pond Life" Orbicular Chalcedony.AuthorsSkalwold, Elise A.AbstractThe article focuses on the microcrystalline quartz's infinite combination of growth features and inclusions which creates visual illusion.SubjectsNATURAL graphite; QUARTZ inclusionsPublicationGems & Gemology, 2016, Vol 52, Issue 2, p201ISSN0016-626XPublication typeArticle