Confocal Micro-Raman Spectroscopy: A Powerful Tool to Identify Natural and Synthetic Emeralds

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GIA 向犯罪调查人员展示宝石世界

美国宝石研究院 (GIA) 和国际犯罪调查人员有何共同点?

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Possible “Sister” Stones of the Hope Diamond

A recent study compares a specially created model of the Hope diamond with recent computer models of the French Blue to determine if other stones could have resulted from either recutting.

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浓烈粉红色的CVD 实验室制造钻石 (英语)

Pink CVD lab-grown products can be separated from natural and treated-color natural pink diamonds by a combination of gemological and spectroscopic properties, which are explored in this study.

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Update on Ametrine from the Yuruty Mine, Bolivia

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对莫桑比克北部(尼亚萨省和德尔加杜角省)的红宝石采矿点的考察

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Winter 2009 Gem News International

A compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewelry manufacturing techniques, and industry trends.

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无核养殖珍珠的显微放射结构

核查无核珍珠(包括“克旭”珠)的 X 射线结构,以及鉴定这些珍珠的标准。

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保持自己的个性特征

Ben Bridge 珠宝的销售和电子商务副总裁 Mary Todd-McGinnis 在 2009 年的卡尔斯巴德招聘会上分享了她在宝石行业的职业生涯,阐述了人们购买珠宝的方向趋势和文化影响。

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把握每一寸机遇

Michael O’Connor 是一位珠宝和时尚专家,被称为好莱坞红毯活动的“闪耀之王”(King of Bling)。他在卡尔斯巴德举行的 2009 年招聘会上给出了这样的建议。

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无核养殖珍珠的显微放射结构

Examines the X-ray structures of non-bead cultured pearls, including “Keshi” pearls, and the criteria used to identify them.

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规划成功之路

加利福尼亚州帕萨迪纳蒂芙尼公司 (Tiffany & Co.) 销售经理 Kara Erickson 与参加 2009 年卡尔斯巴德招聘会的人员分享她用于打造其职业生涯的五个关键概念。

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有色宝石专业人员的生活

美国宝石交易协会 (AGTA) 首席执行官 Doug Hucker 向出席卡尔斯巴德 2009 年招聘会的与会者提出一些现实的实用建议。

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Gem-Quality Yellow-Green Haüyne from Oldoinyo Lengai Volcano, Northern Tanzania

Yellow-green to green-yellow gem-quality haüyne was found for the first time in an alkaline plutonic rock.

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研究加强钻石火彩的新方法

预览一项即将开展的研究,研究内容是预览衍射光栅如何在钻石表面应用,以突出火彩的外观。

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Characterization of “Green Amber” With Infrared and Nuclear Magnetic Resonance Spectroscopy

A peridot-like bright greenish yellow to green gem material called “green amber” has recently appeared in the gem market.

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Aquamarine from the Masino-Bregaglia Massif, Central Alps, Italy

Aquamarine from granitic pegmatites of the Masino-Bregaglia Massif, Central Alps, Italy.

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使用 LA-ICP-QMS(激光剥蚀电感耦合等离子体四级质谱仪)检测刚玉中的硅的可行性

呈现细节,并在检测到刚玉中的硅时发出警告。硅可能影响经铍 (Be) 扩展处理的蓝宝石的颜色。

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Spectral Differentiation Between Copper and Iron Colorants in Gem Tourmalines

The authors used Vis-NIR spectral measurements combined with LA-ICP-MS data to investigate the usefulness of absorption spectra.

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Celebrating 75 Years of Gems & Gemology

Gems & Gemology, the professional quarterly of GIA, debuted in 1934.

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