关于卡拉拉大理石的加注文献清单

加利福尼亚州卡尔斯巴德 — 2020 年 2 月 26 日 – 新发现的矿物种别 Dutrowite 属于碧玺族，与 GIA 理事 Barbara L. Dutrow（芭芭拉·L.·达特罗）博士同名。

近日，GIA 科学家展示了他们在钻石标记以及钻石灰-蓝-紫颜色成因方面的最新研究成果。

冠状病毒对中国大陆及香港的经济影响。以及钻石市场和黄金首饰的最新资讯。

加利福尼亚州卡尔斯巴德 — 2020 年 2 月 3 日 — 最新一期的 GIA 专业季刊《宝石与宝石学》(Gems & Gemology) 2019 年冬季刊集中讨论了宝石学鉴定所有色宝石地理原产地鉴定的科学原理、问题和限制。

In some cases, the value of a sapphire depends strongly on its geographic origin. This article details the origin data GIA has collected for blue sapphire and describes its methodology for using the data in geographic origin determination.

A look ahead to the future of geographic origin determination.

The geographic source of this rare color-change gem has a significant impact on value. Trace element chemistry profiles allow GIA to accurately determine origin for alexandrite from several countries.

The world ruby market has undergone dramatic change in recent years, especially with the development of ruby mining in Mozambique. This contribution outlines GIA’s methods and criteria for establishing the geographic origin of ruby.

Over the last two decades, knowledge of the formation of gem deposits has improved significantly. This article reviews the state of our knowledge of the geology and genesis of gem corundum and emerald deposits.

Geographic origin determination relies on a combination of gemological observations and advanced analytical tools. This contribution reviews the analytical methods commonly used to establish origin.

Copper-bearing gem tourmaline, known as Paraíba tourmaline after the location of its original discovery, is prized for its vivid blue to green color. This article explains GIA’s use of quantitative chemical analyses to distinguish samples from Brazil, Nigeria, and Mozambique.

The relative chemical diversity of emeralds from different deposits worldwide allows clear origin determination in most cases. This contribution explains the criteria used by GIA to make geographic origin conclusions for emeralds.

自2008年以来，GIA已在六大洲开展了90多次实地考察，积累了超过22,000件彩色宝石参考样品。这些来源明确的彩色宝石藏品为GIA的地理产地鉴定研究提供了有力支持。

An overview of the geographic origin complexities facing the gem and jewelry industry today.

James Shigley（詹姆斯·希格利）博士分享了 GIA 确定宝石原产地的方法以及钻石原产地的奥秘。

看看在亚当·桑德勒电影《未切割的切割》中扮演主要角色的粗糙蛋白石。蛋白石的真正宝石学和来源信息是什么？

加利福尼亚州卡尔斯巴德 - 2020 年 1 月 16 日，Jewelers Vigilance Committee（珠宝商警戒委员会，JVC）在纽约市举行的年会及午宴上，为 GIA 总裁兼首席执行官 Susan M. Jacques（苏珊·M.·雅克）颁发 Stanley Schechter Award（斯坦利·谢克特奖）。

加利福尼亚州卡尔斯巴德 - 2020 年 1 月 16 日，Jewelers Vigilance Committee（珠宝商警戒委员会，JVC）在纽约市举行的年会及午宴上，为 GIA 总裁兼首席执行官 Susan M. Jacques（苏珊·M.·雅克）颁发 Stanley Schechter Award（斯坦利·谢克特奖）。