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GIA美国宝石研究院的专业知识涵盖宝石学研究、鉴定所服务和教育， 现宣布推出提供更全面的宝石学信息的《GIA玉石鉴定报告》，采用简单易用的版面设计，增强行业专业人士和消费者的整体报告体验。
Ruby and Pink Sapphire from Aappaluttoq, Greenland: Status of Ongoing Research
探究硬玉和绿辉石的区别，以及美国宝石研究院关于这些宝石定义的现行政策。
Garnet History and Lore
Thousands of years ago, red garnet necklaces adorned the necks of Egypt’s pharaohs, and were entombed with their mummified corpses as prized possessions for the afterlife.
Ruby Journey
Ruby is the most valuable variety of the corundum mineral species, which also includes sapphire
Garnet Care and Cleaning Guide
Learn about garnet's durability and how to care for your garnet jewelry.
Turquoise Care and Cleaning Guide
Learn about Turquoise's durability and how to care for your Turquoise jewelry.
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Fall 2021 G&G Publication Information
This document provides the publication information for Gems & Gemology
Ruby History and Lore
The name ruby comes from the Latin word ruber, which means “red.” The glowing red of ruby suggested an inextinguishable flame burning in the stone...