世界宝石产地浪漫之旅:斯里兰卡

跟随 GIA 实地宝石学家的脚步,前往斯里兰卡“珠宝之岛”,开启一段真正的宝石开采冒险之旅。您会看到这里如今仍在使用传统的宝石开采技术。 斯里兰卡是一个开采、切磨与交易强国。

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拉斯维加斯 2015 年展会:选择性需求提振淡季

拉斯维加斯珠宝展:金秋时节有望好转?

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绿色宝石的荣耀

绿色宝石可以提升和净化我们的精神,自从我们开始佩戴珠宝起,绿色宝石就已成为非常受欢迎的宝石选择。

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《宝石与宝石学》(G&G) 2015 年春季刊介绍蓝色尖晶石、中国珠宝设计和最新的合成品

《宝石与宝石学》(G&G) 简报介绍了《宝石与宝石学》(Gems & Gemology) 2015 年春季刊的内容概要。

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GIA 鉴定所关于天然尖晶石钴扩散处理新方法的报告

关于天然尖晶石钴扩散处理新方法的报告,采用了内含物分析、紫外 - 可见光 - 近红外 (UV-Vis-NIR) 和能​量​色​散 ​X ​射​线​荧​光​ (EDXRF) 光​谱​仪​,还有激光剥蚀电感耦合等离子体质谱仪 ( LA-ICP-MS) 等方法。

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Green Nephrite Jade Attracts Buyers in Tucson

An update on the nephrite jade market from the 2015 GJX show.

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The Belmont Mine and an Emerald’s Journey from Mine to Market

Follow a significant emerald from the Belmont emerald mine in Brazil to a retailer in Bangkok and learn the story of one of the world’s most modern colored gemstone mines, while seeing how a gemstone moves from mine-to-market.

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Sri Lanka: Treasure Island

斯里兰卡:宝藏之岛

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戴比尔斯降低原石价格 - 降幅太低?

戴比尔斯在五月看货会上降低了原石价格;经过临时处理但未经披露的钻石提交给 GIA;Sotheby's(苏富比)、Christie's(佳士得)的销售再次打破拍卖纪录。

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GIA 检测的著名钻石

这些罕见的大自然奇迹始终有着神秘的光环,因此,当 GIA 研究人员检测这些著名钻石时,感到相当荣幸。

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一个字为顶级设计师带来何种启示

这便是美国珠宝设计协会 (AJDC) 给其成员的一字主题。 他们的挑战是制作颇具启发意义的珠宝,这也正是您在这里所看到的。
没有规则。 没有方向。 没有范畴。

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Gemologist’s Black Opal Ring Wows Consumer, Trade Media

GIA grad Niveet Nagpal, president and head designer of Omi Privé, showcases his love of gems and brings them to life in his designs.

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Colored Gems, Chinese Jewelry Designers, and Colored Diamond Spectra

The annual Tucson shows always provide an illuminating window into the world of colored gem supply and demand

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Attractive Composite Quartz Beads

Beads are identified as quartz with polymer.

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The Chinese Soul in Contemporary Jewelry Design

Guided by their cultural heritage and powered by a rapidly growing domestic consumer market, Chinese designers are exerting a powerful influence on the global stage.

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Amethyst from Boudi, Morocco

An introduction to Moroccan amethyst, which features distinctive color zoning and inclusions.

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Blue Spinel from the Luc Yen District of Vietnam (英语)

Offers geological context and gemological characterization of this increasingly popular vivid blue spinel from northeast Vietnam.

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Mozambique: A Ruby Discovery for the 21st Century (英语)

Explores the geology, production, and yield of the world’s most commercially important ruby deposit.

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Visible Absorption Spectra of Colored Diamonds

Features a foldout chart containing representative visible spectra and photos of the major color categories of diamond.

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Amethyst From Morocco:An Update

GIA’s Bangkok lab investigates the gemological properties of Moroccan amethyst.

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