{"title":"Demantoid from Kerman Province, South-east Iran: A Mineralogical and Gemmological Overview","authors":"Vahid Ahadnejad, M. Krzemnicki, A. Hirt","doi":"10.15506/jog.2022.38.4.329","DOIUrl":null,"url":null,"abstract":": Demantoid from Kerman Province in south-east Iran was investigated using microscopy, spectroscopy (optical absorption, FTIR and Raman), chemical analysis (EDXRF and LA-ICP-TOF-MS) and magnetic susceptibility measurements. The samples were transparent to semi-transparent and commonly contained acicular chrysotile inclusions. Their spectroscopic and chemical properties were consistent with demantoid from serpentinite host rock. The samples ranged from yellowish green to deep green, depending on Cr and Fe content. These two elements are also largely responsible for the material’s","PeriodicalId":48560,"journal":{"name":"Journal of Gemmology","volume":"1 1","pages":""},"PeriodicalIF":1.1000,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Gemmology","FirstCategoryId":"88","ListUrlMain":"https://doi.org/10.15506/jog.2022.38.4.329","RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"MINERALOGY","Score":null,"Total":0}
引用次数: 1
Abstract
: Demantoid from Kerman Province in south-east Iran was investigated using microscopy, spectroscopy (optical absorption, FTIR and Raman), chemical analysis (EDXRF and LA-ICP-TOF-MS) and magnetic susceptibility measurements. The samples were transparent to semi-transparent and commonly contained acicular chrysotile inclusions. Their spectroscopic and chemical properties were consistent with demantoid from serpentinite host rock. The samples ranged from yellowish green to deep green, depending on Cr and Fe content. These two elements are also largely responsible for the material’s
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A leader in its field, The Journal of Gemmology publishes original research articles on all aspects of gemmology, including natural stones and their treatments, synthetics and simulated gemstones. In addition, sections such as Gem Notes, What’s New, Conferences, Learning Opportunities, New Media and Literature of Interest inform readers about new instruments, publications, articles and educational events.
The Journal is currently published by Gem-A in collaboration with the Swiss Gemmological Institute (SSEF) and with support from American Gemological Laboratories (AGL).
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