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产自马达加斯加 Andranondambo 地区的蓝宝石 (英语)
Since 1993, large amounts of gem-quality sapphires from the Andranondambo region of southern Madagascar have entered the international gem market.
约戈蓝宝石矿床 (英语)
Yogo Gulch, discovered more than 100 years ago, is one of four major sapphire-producing areas in Montana, United States.
越南北部红宝石和彩色蓝宝石开采的最新情况 (英语)
Northern Vietnam began producing significant quantities of rubies and fancy sapphires in the late 1980s.
热处理蒙大纳州洛克溪 (Rock Creek) 蓝宝石 (英语)
Renewed interest in large-scale commercial mining of Montana sapphires motivated a detailed study of the heat treatment of sapphire from the Rock Creek deposit.
关于晶格扩散处理刚玉的更新：红色和其他颜色 (英语)
Blue diffusion-treated sapphires have become a subject of considerable controversy since their introduction in significant quantities a few years ago.
在缅甸摩谷矿区开采的红宝石和蓝宝石现状 (英语)
Burma, now named Myanmar, has for centuries been considered the world's preeminent source of fine rubies.
越南红宝石与彩色蓝宝石 (英语)
Gem-quality rubies and pink to purple sapphires are being recovered from the Luc Yen and Quy Chau mining regions of Vietnam.
Abstracts; Fall 1991
本文摘自《宝石与宝石学》(Gems & Gemology) 1991 年秋季刊，是《宝石与宝石学》(Gems & Gemology) 外部发表的重要宝石学相关文章的摘要汇编。
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