Abstract
Research Article| June 01, 2009 The Identification of Faceted Gemstones: From the Naked Eye to Laboratory Techniques Bertrand Devouard; Bertrand Devouard 1Laboratoire Magmas et Volcans (UMR 6524) Université Blaise Pascal - CNRS, 5 rue Kessler F-63000 Clermont-Ferrand, France E-mail: B.Devouard@opgc.univ-bpclermont.fr Search for other works by this author on: GSW Google Scholar Franck Notari Franck Notari 2GemTechLab Laboratory, 4 bis route des Jeunes CH 1227 Acacias, Geneva, Switzerland E-mail: franck.notari@gemtechlab.ch Search for other works by this author on: GSW Google Scholar Elements (2009) 5 (3): 163–168. https://doi.org/10.2113/gselements.5.3.163 Article history first online: 09 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation Bertrand Devouard, Franck Notari; The Identification of Faceted Gemstones: From the Naked Eye to Laboratory Techniques. Elements 2009;; 5 (3): 163–168. doi: https://doi.org/10.2113/gselements.5.3.163 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyElements Search Advanced Search Abstract Identifying faceted gemstones involves practices that are closely related to the classical determinative methods used by mineralogists. Measurements of optical and physical properties, combined with acute observation using various illumination techniques, are usually sufficient to determine the nature of a gem. Determining the geographic origin of a gem or the enhancement treatments it was subjected to, however, can require the expertise of an experienced gemologist and a combination of spectroscopic laboratory techniques. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.
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