昆士兰砾背蛋白石 (英语)

After almost 75 years of inactivity, the deposits of boulder opal in Queensland, Australia, began to attract new interest in the 1960s and 1970s.

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在缅甸摩谷矿区开采的红宝石和蓝宝石现状 (英语)

Burma, now named Myanmar, has for centuries been considered the world's preeminent source of fine rubies.

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坦桑尼亚的宝石财富 (英语)

The East African nation of Tanzania has great gem wealth.

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越南红宝石与彩色蓝宝石 (英语)

Gem-quality rubies and pink to purple sapphires are being recovered from the Luc Yen and Quy Chau mining regions of Vietnam.

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富有传奇色彩的德雷斯顿绿钻 (英语)

In addition to its rich history, the Dresden Green offers an opportunity to gain information about how to distinguish natural from laboratory-irradiated green diamonds.

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Sinkankas 图书馆 (英语)

The world-renowned Sinkankas collection of books and other publications is now available to the public as part of the Richard T. Liddicoat Gemological Library and Information Center at GIA Santa Monica.

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Coscuez 矿:哥伦比亚祖母绿的主要产地 (英语)

The Coscuez mine, one of a number in Colombia, is rapidly gaining significance as a major source of fine emeralds.

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缅甸红宝石:缅甸摩谷矿区回顾 (英语)

A review of the history of this area, its geology, and the mining methods that have predominated.

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哥伦比亚波哥大祖母绿的注油处理 (英语)

This article focuses on Colombian emeralds and gives a detailed explanation of the oiling process as observed by the author.

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卡庞拓帕石矿床(巴西米纳斯吉拉斯欧鲁普雷图) (英语)

This article examines the history of the Ouro Preto district as well as the geology of the area and occurrence of the topaz.

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泰国尖竹汶达叻宝石矿场 (英语)

Thailand has become the world's major source of gem ruby.

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圣卡洛斯橄榄石 (英语)

Marketed throughout the world, San Carlos material is often confused with, and sold as, peridot from localities that are better known and documented.

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哥伦比亚的祖母绿 (英语)

A comprehensive review of the history and geology of Colombian emeralds together with descriptions of some of the most famous gems to come from this locality.

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展会回顾:造物者和缪斯,女性的二十世纪艺术珠宝

关于在芝加哥 Driehaus Museum(德里豪斯博物馆)展出的“造物者和缪斯,女性的二十世纪艺术珠宝”展览的回顾。

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GIA 校友会在 2017 年庆祝成立 35 周年

GIA 校友会于 1982 年正式成立。 另附:参加各种全球性分会活动来加深联系。

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博物馆、鉴定所在设计项目上与学生合作

通过有效利用 GIA 博物馆提供的碧玺以及鉴定所的技术,GIA 的博物馆和鉴定所与 JDT 班的学生在设计项目展开合作。

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夏季时尚理念:彩色俏皮珠宝

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镶工提示 #3:探索 CAD CAM 的益处

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铅玻璃填充星形红宝石 据说来自马达加斯加

初步检测表明,可能来自马达加斯加的 34 颗星形红宝石的净度因填充了铅玻璃而有所提升。 此外,这些红宝石还与来自其他矿床的星形红宝石进行了对比。

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CVD 生长的粉红色钻石

检验七颗呈现诱人粉红色的 CVD 合成钻石。

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