Spring 2019 G&G Publication Information

This document provides the publication information for Gems & Gemology

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Fall 2019 G&G Publication Information

This document provides the publication information for Gems & Gemology

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Winter 2018 G&G Publication Information

This document provides the publication information for Gems & Gemology

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A Solution to Diamond Color Grading Problems

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Summer 2017 G&G Publication Information

This document provides the publication information for Gems & Gemology

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Fall 2015 G&G Publication Information

This document provides the publication information for Gems & Gemology

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Summer 2016 G&G Publication Information

This document provides the publication information for Gems & Gemology

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Spring 2017 G&G Publication Information

This document provides the publication information for Gems & Gemology

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Fall 2016 G&G Publication Information

This document provides the publication information for Gems & Gemology

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Spring 2018 G&G Publication Information

This document provides the publication information for Gems & Gemology

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Summer 2015 G&G Publication Info

This document provides the publication information for Gems & Gemology

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Summer 2018 G&G Publication Information

This document provides the publication information for Gems & Gemology

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Winter 2015 G&G Publication Information

This document provides the publication information for Gems & Gemology

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Winter 2016 G&G Publication Information

This document provides the publication information for Gems & Gemology

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有关一般裂缝填充或净度提升宝石中的红宝石 - 玻璃复合材料及其对命名的潜在影响的讨论

介绍几种用玻璃处理的红宝石，对这些玻璃处理的红宝石进行实验研究，验证该石头为玻璃粘结物。

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2013 Gems & Gemology Challenge

This document provides access to the 2013 G&G Challenge.

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马达加斯加 Didy 地区出现大量红宝石和蓝宝石（2012 年 4-6 月）

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G. Robert Crowningshield（G·罗伯特·克劳宁谢尔德）（1919 年 – 2006 年）

回顾 G·罗伯特·克劳宁谢尔德的开创性研究

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铜扩散到碧玺的可能性：初步实验准备工作

最近讨论的铜扩散电气石存在性促使实验室探究这种可行性。

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Opal Care and Cleaning Guide

Learn about opal's durability and how to care for your opal jewelry.

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