发布求助
文献互助 智能选刊 最新文献

Gems & Gemology最新文献

筛选
英文 中文
Black Nephrite Jade from Guangxi, Southern China 广西黑玉
IF 2.6 3区 地球科学
Gems & Gemology Pub Date : 2019-08-01 DOI: 10.5741/gems.55.2.198
Qian Zhong, Zong-ting Liao, Li-jian Qi, Zhengyu Zhou
{"title":"Black Nephrite Jade from Guangxi, Southern China","authors":"Qian Zhong, Zong-ting Liao, Li-jian Qi, Zhengyu Zhou","doi":"10.5741/gems.55.2.198","DOIUrl":"https://doi.org/10.5741/gems.55.2.198","url":null,"abstract":"","PeriodicalId":12600,"journal":{"name":"Gems & Gemology","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2019-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46723318","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
A Pearl Identification Challenge 珍珠鉴定挑战
IF 2.6 3区 地球科学
Gems & Gemology Pub Date : 2019-08-01 DOI: 10.5741/gems.55.2.229
Nicholas Sturman, L. Otter, Artitaya Homkrajae, Nanthaporn Nilpetploy, Kwanreun Lawanwong, Promlikit Kessrapong, K. Jochum, B. Stoll, H. Gotz, Dorrit E. Jacob
{"title":"A Pearl Identification Challenge","authors":"Nicholas Sturman, L. Otter, Artitaya Homkrajae, Nanthaporn Nilpetploy, Kwanreun Lawanwong, Promlikit Kessrapong, K. Jochum, B. Stoll, H. Gotz, Dorrit E. Jacob","doi":"10.5741/gems.55.2.229","DOIUrl":"https://doi.org/10.5741/gems.55.2.229","url":null,"abstract":"","PeriodicalId":12600,"journal":{"name":"Gems & Gemology","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2019-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44463847","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
U-Pb Ages of Zircon Inclusions in Sapphires from Ratnapura and Balangoda (Sri Lanka) and Implications for Geographic Origin Ratnapura和Balangoda（斯里兰卡）蓝宝石中锆石包裹体的U-Pb年龄及其地理成因意义
IF 2.6 3区 地球科学
Gems & Gemology Pub Date : 2019-05-01 DOI: 10.5741/GEMS.55.1.18
Emilie Elmaleh, S. Schmidt, S. Karampelas, K. Link, L. Kiefert, Annette Suessenberger, A. Paul
{"title":"U-Pb Ages of Zircon Inclusions in Sapphires from Ratnapura and Balangoda (Sri Lanka) and Implications for Geographic Origin","authors":"Emilie Elmaleh, S. Schmidt, S. Karampelas, K. Link, L. Kiefert, Annette Suessenberger, A. Paul","doi":"10.5741/GEMS.55.1.18","DOIUrl":"https://doi.org/10.5741/GEMS.55.1.18","url":null,"abstract":"Five sapphires from the secondary placer deposits of Ratnapura and Balangoda in Sri Lanka were classified as being of metamorphic/metasomatic/non-basalt-related origin based on trace-element analysis (LA-ICP-MS) and inclusion characterization. Two sapphires—one from each deposit—contained suitable zircon inclusions that were dated using the LA-ICP-MS method. They yielded U-Pb ages of approximately 549 Ma. The results suggest that the zircon enclosed in the sapphires probably formed in a high-temperature event at the end of the Precambrian granulite facies metamorphism of the ancient Gondwana continent and that this event coincides with the crystallization of the sapphires. The metamorphic character of these sapphires is confirmed from the traceelement composition as well as the solid- and liquid-phase inclusions.","PeriodicalId":12600,"journal":{"name":"Gems & Gemology","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2019-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46139541","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Pleochroism and Color Change in Faceted Alexandrite: Influence of Cut and Sample Orientation 镶嵌亚历山大岩的多色性和颜色变化：切口和样品取向的影响
IF 2.6 3区 地球科学
Gems & Gemology Pub Date : 2019-05-01 DOI: 10.5741/GEMS.55.1.61
K. Schmetzer
{"title":"Pleochroism and Color Change in Faceted Alexandrite: Influence of Cut and Sample Orientation","authors":"K. Schmetzer","doi":"10.5741/GEMS.55.1.61","DOIUrl":"https://doi.org/10.5741/GEMS.55.1.61","url":null,"abstract":"","PeriodicalId":12600,"journal":{"name":"Gems & Gemology","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2019-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49100608","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
The Talisman of Charlemagne: New Historical and Gemological Discoveries 查理曼大帝的护身符:新的历史和宝石学发现
IF 2.6 3区 地球科学
Gems & Gemology Pub Date : 2019-05-01 DOI: 10.5741/GEMS.55.1.30
G. Panczer, Geoffray Riondet, Lauriane Forest, M. Krzemnicki, D. Carole, Florian Faure
{"title":"The Talisman of Charlemagne: New Historical and Gemological Discoveries","authors":"G. Panczer, Geoffray Riondet, Lauriane Forest, M. Krzemnicki, D. Carole, Florian Faure","doi":"10.5741/GEMS.55.1.30","DOIUrl":"https://doi.org/10.5741/GEMS.55.1.30","url":null,"abstract":"","PeriodicalId":12600,"journal":{"name":"Gems & Gemology","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2019-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44247778","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Provenance Discrimination of Freshwater Pearls by LA-ICP-MS and Linear Discriminant Analysis (LDA) LA-ICP-MS和线性判别分析(LDA)鉴别淡水珍珠的来源
IF 2.6 3区 地球科学
Gems & Gemology Pub Date : 2019-05-01 DOI: 10.5741/GEMS.55.1.47
Artitaya Homkrajae, Ziyin Sun, T. Blodgett, Chunhui Zhou
{"title":"Provenance Discrimination of Freshwater Pearls by LA-ICP-MS and Linear Discriminant Analysis (LDA)","authors":"Artitaya Homkrajae, Ziyin Sun, T. Blodgett, Chunhui Zhou","doi":"10.5741/GEMS.55.1.47","DOIUrl":"https://doi.org/10.5741/GEMS.55.1.47","url":null,"abstract":"","PeriodicalId":12600,"journal":{"name":"Gems & Gemology","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2019-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45270569","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
A New Method for Determining Gem Tourmaline Species by LA-ICP-MS LA-ICP-MS测定宝石电气石种类的新方法
IF 2.6 3区 地球科学
Gems & Gemology Pub Date : 2019-05-01 DOI: 10.5741/GEMS.55.1.2
Ziyin Sun, Aaron C. Palke, C. Breeding, B. Dutrow
{"title":"A New Method for Determining Gem Tourmaline Species by LA-ICP-MS","authors":"Ziyin Sun, Aaron C. Palke, C. Breeding, B. Dutrow","doi":"10.5741/GEMS.55.1.2","DOIUrl":"https://doi.org/10.5741/GEMS.55.1.2","url":null,"abstract":"","PeriodicalId":12600,"journal":{"name":"Gems & Gemology","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2019-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48304123","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Land of Origins: A Gemological Expedition to Ethiopia 起源之地:埃塞俄比亚的宝石学考察
IF 2.6 3区 地球科学
Gems & Gemology Pub Date : 2019-05-01 DOI: 10.5741/GEMS.55.1.72
W. Vertriest, D. Girma, P. Wongrawang, Ungkhana Atikarnsakul, Kevin Schumacher
{"title":"Land of Origins: A Gemological Expedition to Ethiopia","authors":"W. Vertriest, D. Girma, P. Wongrawang, Ungkhana Atikarnsakul, Kevin Schumacher","doi":"10.5741/GEMS.55.1.72","DOIUrl":"https://doi.org/10.5741/GEMS.55.1.72","url":null,"abstract":"","PeriodicalId":12600,"journal":{"name":"Gems & Gemology","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2019-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48396252","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Natural-Color Pink, Purple, Red, and Brown Diamonds: Band of Many Colors 自然色的粉色、紫色、红色和棕色钻石:多种颜色的组合
IF 2.6 3区 地球科学
Gems & Gemology Pub Date : 2019-02-01 DOI: 10.5741/GEMS.54.2.352
S. eaton-magaña, T. Ardon, Karen V. Smith, C. Breeding, J. Shigley
{"title":"Natural-Color Pink, Purple, Red, and Brown Diamonds: Band of Many Colors","authors":"S. eaton-magaña, T. Ardon, Karen V. Smith, C. Breeding, J. Shigley","doi":"10.5741/GEMS.54.2.352","DOIUrl":"https://doi.org/10.5741/GEMS.54.2.352","url":null,"abstract":"Diamond is one of Earth’s most extraordinary materials. It represents the pinnacle for several material and physical properties. As a gem, however, it is the near-perfect examples—diamonds attaining the D-Flawless distinction—and those with imperfections resulting in a vibrant or surprising color that create the most enduring impressions. Fancy-color natural diamonds are among the most highly valued gemstones due to their attractiveness and great rarity. The 18.96 ct Winston Pink Legacy, with a color grade of Fancy Vivid pink, recently made history by selling at over $50 million, its $2.6 million per carat price an all-time high for a pink diamond (Christie’s, 2018). This article is the third in a series of studies on natural colored diamonds: Breeding et al. (2018) discussed the color origin of green diamonds, and EatonMagaña et al. (2018) dealt with blue/gray/violet diamonds. Here we summarize the color origin of orangy pink, purplish pink to pinkish purple, brownish pink to pinkish brown, pink, red, purple, and unmodified brown diamonds. Although this article cov-","PeriodicalId":12600,"journal":{"name":"Gems & Gemology","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2019-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47306321","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 23
Field Gemology: Building a Research Collection and Understanding the Development of Gem Deposits 野外宝石学:建立研究收藏和了解宝石矿床的发展
IF 2.6 3区 地球科学
Gems & Gemology Pub Date : 2019-02-01 DOI: 10.5741/gems.55.4.490
W. Vertriest, Aaron C. Palke, Nathan D. Renfro
{"title":"Field Gemology: Building a Research Collection and Understanding the Development of Gem Deposits","authors":"W. Vertriest, Aaron C. Palke, Nathan D. Renfro","doi":"10.5741/gems.55.4.490","DOIUrl":"https://doi.org/10.5741/gems.55.4.490","url":null,"abstract":"GEMS & GEMOLOGY WINTER 2019 Over the last decade, GIA has invested considerable resources in determining the geographic origin of certain gemstones. The field gemology program plays an essential role in these studies. Its mission is to build, maintain, and expand a reliable reference collection of scientific samples (figure 1). These stones are used for research by GIA’s gemologists and research scientists. This article explains the challenges of geographic origin research, sample collection, and the current state of GIA’s colored stone reference collection. The development of gemstone deposits is also discussed, and an overview is provided of the most important localities for which GIA offers origin determination.","PeriodicalId":12600,"journal":{"name":"Gems & Gemology","volume":" ","pages":""},"PeriodicalIF":2.6,"publicationDate":"2019-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45966035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 13
首页 上一页 下一页 尾页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：481959085
Book学术官方微信