节假日安排和休业
Winter 2022 G&G Publication Information
This document provides the publication information for Gems & Gemology
钻石中非同寻常的哑铃状内含物 (英语)
Examination of a 0.40 ct near-colorless round brilliant diamond with a large inclusion resembling a dumbbell
Fall 2022 G&G Publication Information
This document provides the publication information for Gems & Gemology
Winter 2024 G&G Publication Information
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Fall 2023 G&G Publication Information
This document provides the publication information for Gems & Gemology
Summer 2019 G&G Publication Information
This document provides the publication information for Gems & Gemology
Winter 2017 G&G Publication Information
This document provides the publication information for Gems & Gemology
“平片到平片”展览概要
RICHARD T. LIDDICOAT (理查德·特·利德寇特) 宝石学图书馆和信息中心于 2011 年 11 月至 2012 年 8 月在加利福尼亚州卡尔斯巴德举办的展览。
GIA 科学家评估稀世珍罕钻石
Snowflakes in Opal
Sweet Home Mine Rhodochrosite from 1888
A rhodochrosite on display at AGTA dates back more than a century to Colorado’s Alma Mining District.
Gems & Gemology Turns 90!
Polymer-Filled Aquamarine
The authors have encountered hundreds of polymer-filled aquamarines in the Chinese jewelry market.
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