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21世纪宝石品质的提升与探测 (英语)
Advances in technology and increased demand for lower-priced gem materials contributed to the proliferation of new treatments throughout the first decade of the 2000s.
产自坦桑尼亚中部 Winza 的红宝石和蓝宝石 (英语)
Since late 2007, rubies and sapphires have been mined by hand methods from both eluvial and primary deposits at Winza in central Tanzania.
铅玻璃填充红宝石的鉴定与坚固性 (英语)
In early 2004, the GAAJ laboratory in Japan issued a lab alert about rubies they had seen that had large numbers of fractures filled with high-lead-content glass, which made them appear very transparent.
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.
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.
缅甸红宝石：缅甸摩谷矿区回顾 (英语)
A review of the history of this area, its geology, and the mining methods that have predominated.
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