G&G publishes original articles on gem materials and research in gemology and related fields. Manuscript topics include, but are not limited to:

Laboratory or field research;
Comprehensive reviews of important topics in the field;
Synthetics, imitations, and treatments;
Trade issues;
Recent discoveries or developments in gemology and related fields (e.g., new instruments or identification techniques, gem minerals for the collector, and lapidary techniques);
Descriptions of notable gem materials and localities;
Jewelry manufacturing arts, historical jewelry, and museum exhibits.

Gems and Gemology publishes original articles on gem materials and research in gemology and related fields. Manuscript topics include, but are not limited to:

- Laboratory or field research;
- Comprehensive reviews of important topics in the field;
- Synthetics, imitations, and treatments;
- Trade issues;
- Recent discoveries or developments in gemology and related fields (e.g., new instruments or identification techniques, gem minerals for collectors, and lapidary techniques);
- Descriptions of notable gem materials and localities;
- Jewelry manufacturing arts, historical jewelry, and museum exhibits.

《Gems and Gemology》期刊发表关于宝石材料及宝石学和相关领域的原创文章。稿件主题包括但不限于：

- 实验室或实地研究；
- 重要主题的综合评述；
- 合成品、仿制品和处理方法；
- 贸易问题；
- 宝石学及相关领域的最新发现或发展（例如，新仪器或鉴定技术、收藏者的宝石矿物和宝石加工技术）；
- 知名宝石材料和产地的描述；
- 珠宝制造艺术、历史珠宝和博物馆展览。

Gems and Gemology

Matthew F. Hardman

Artitaya Homkrajae

Sally Eaton-Magaña

Christopher M. Breeding

Aaron C. Palke

Ziyin Sun

Gems & Gemology

Classification of Gem Materials Using Machine Learning

宝石材料分类的机器学习方法

Michael D. Magee

Generative Artificial Intelligence as a Tool for Jewelry Design

生成式人工智能作为珠宝设计工具

Joshua William Lloyd Maloney

Philippe M. Belley

James Conliffe

Amethyst from Newfoundland, Canada: Geology, Internal Features, and Fluid Inclusion Microthermometry

加拿大纽芬兰紫水晶：地质、内部特征及流体包裹体显微测温

Ilene M. Reinitz

Al Gilbertson

Troy Blodgett

Amanda Hawkes

James Conant

Abhijith Prabhu

Observations of Oval-, Pear-, and Marquise-Shaped Diamonds: Implications for Fancy Cut Grading

椭圆形、梨形和马眼形钻石的观察：对花式切割分级的启示

Pearls are biogenic gem materials that may form naturally without human intervention, or with assistance from humans in a culturing process.Natural and cultured pearls often display similar external appearances and occasionally cannot be differentiated without examining their internal structures.Over the last century, scientists and gemological laboratories have used film X-radiography and digital real-time microradiography (RTX) to reveal these interior growth patterns (Alexander, 1941;Webster, 1950;Benson, 1951;Sturman, 2009;Scarratt and Karampelas, 2020).Around 2010, X-ray computed microtomography (μ-CT) began to be applied to pearl testing.This application provides high-resolution 3D imaging of the morphological structures, allowing fine growth features to be viewed in greater detail compared to traditional X-radiography (Karampelas et al., 2010;Krzemnicki et al., 2010;Otter et al., 2014;Karampelas et al., 2017).RTX and μ-CT are the main techniques used today by GIA and other gemological laboratories for pearl identification.As with most research, interpretation of the results is based on data collected over the years, as well as the experience of those performing the work.Thus, a sample's source or the way in which it was obtained are very important factors to consider when creating a reliable database (Pardieu and Rakotosaona, 2012;Vertriest et al., 2019).In accordance with its existing guidelines for collecting gemstone reference samples

Areeya Manustrong

Nanthaporn Nilpetploy

Nicholas Sturman

Kwanreun Lawangwong

Promlikit Kessrapong

Internal Structures of Known Pinctada Maxima Pearls: Natural Pearls from Wild Marine Mollucks

已知大珠母贝珍珠的内部结构：野生海洋软体动物中的天然珍珠

Abbreviation	G&G
Journal Impact	1.75
Quartiles(Global)	MINERALOGY(Q2)

ISSN	0016-626X, 2376-4473
h-index	32

Publication Information	Publisher: Gemological Institute of America (GIA)，Publishing cycle: Quarterly，Journal Type: journal，Open Access Journals: No
Basic data	Year of publication: 2004，Proportion of original research papers: 100.00%，Self Citation Rate:6.20%， Gold OA Rate: 87.50%
Average recruitment ratio	网友分享经验：容易

Gems and Gemology

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Classification of Gem Materials Using Machine Learning

Generative Artificial Intelligence as a Tool for Jewelry Design

Amethyst from Newfoundland, Canada: Geology, Internal Features, and Fluid Inclusion Microthermometry

Observations of Oval-, Pear-, and Marquise-Shaped Diamonds: Implications for Fancy Cut Grading

Internal Structures of Known Pinctada Maxima Pearls: Natural Pearls from Wild Marine Mollucks

Classification of Gem Materials Using Machine Learning

Generative Artificial Intelligence as a Tool for Jewelry Design

Amethyst from Newfoundland, Canada: Geology, Internal Features, and Fluid Inclusion Microthermometry

Observations of Oval-, Pear-, and Marquise-Shaped Diamonds: Implications for Fancy Cut Grading

Micro-Features of Tourmaline