
埋藏的宝藏:GIA 团队记录 Cheapside Hoard 典藏珠宝臻品展
GIA 摄影师 Robert Weldon 和摄像师 Kevin Schumacher 前往伦敦博物馆拍摄 Cheapside Hoard 典藏珠宝臻品展,这是埋藏在伦敦公寓住宅数百年的珍贵宝藏。

GIA 团队记录俄勒冈州日光石矿场
2013 年 7 月,GIA 的 Shane McClure、Duncan Pay 和 Robert Weldon 与摄影师 Kevin Schumacher 一同前往美国俄勒冈州偏远的东南角,参观该地区三处太阳石矿场。

Cheapside Hoard 典藏珠宝臻品展摄影
美国宝石研究院 (GIA) 摄影师 Robert Weldon 分享他前往伦敦博物馆拍摄 Cheapside Hoard 典藏珠宝珍品展的体验,向大家揭秘埋藏在伦敦公寓住宅数百年的珍贵宝藏。
“永恒不变的面孔”栩栩如生地展示头骨雕刻品
Luis Alberto Quispe Aparicio 创作了 26 件足以永久流传的宝石头骨雕刻作品,将头骨装饰概念提高至新的水平。 其中部分精品于 2014 年 4 月在加利福尼亚州 GIA 卡尔斯巴德校区展出。


日光石Odyssey(奥德赛)第1部分:Ponderosa(庞德洛萨)矿场
2013 年 7 月探索俄勒冈州Ponderosa(庞德洛萨)矿场宝石报告三部曲的第一部分。Ponderosa(庞德洛萨)矿场是一处处于黄松环抱之中的日光石产地,景色壮丽。

Agates from Morocco: Gemological Characteristics and Proposed Origin
A report on the chemical and mineralogical analysis of samples’ solid inclusions.



Useful Visual Clue Indicating Corundum Heat Treatment
Shows the conversion of limonitic residues to hematite in surface-reaching inclusions, a practical indication of heat-treated corundum.

Book Review: From a Snowflake to an Iceberg: The McFerrin Collection
By Dorothy McFerrin, publ. by the McFerrin Foundation, College Station, Texas, 2013, US $125

Striving for Timeliness and Synergy
The Fall 2013 issue introduces a new G&G article category—the field report—as well as online features such as videos and slideshows.
Unusual Epigenetic Malachite Discs in Quartz
The uncommon occurrence of epigenetic malachite, as found in this quartz, can result in vivid green color.

A Useful Technique to Confirm the Hydrophane Nature of Opal
Observing a water drop’s interaction with opal, as well as refractive index, can confirm a specimen’s hydrophane nature with less risk of breakage than total immersion.

Enormous South Sea Cultured Pearl Filled with Cultured Pearls
An unusually large cultured pearl was filled with multiple cultured pearls, perhaps after the emergence of an original single-bead nucleus.

Imitation Rainbow Moonstone Assemblage
Examination of an imitation rainbow moonstone assemblage containing plastic-coated gypsum.

大颗粉褐色化学蒸气沉淀法 (CVD) 合成钻石 (英语)
Report on the analysis of an unusually large CVD synthetic diamond, unique in that its Faint to Light pinkish brown color doesn’t appear to be the result of post-growth treatment.

Turquoise with Fingerprint Pattern
A fingerprint pattern, possibly left by human skin oils during the assembly process, is observed in natural turquoise beads.

Amber with Insect-Bearing Filling
Natural amber beads were found to have been filled with plastic and a variety of insects.

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