哥伦比亚波哥大祖母绿的注油处理 (英语)
This article focuses on Colombian emeralds and gives a detailed explanation of the oiling process as observed by the author.
卡庞拓帕石矿床（巴西米纳斯吉拉斯欧鲁普雷图） (英语)
This article examines the history of the Ouro Preto district as well as the geology of the area and occurrence of the topaz.
圣卡洛斯橄榄石 (英语)
Marketed throughout the world, San Carlos material is often confused with, and sold as, peridot from localities that are better known and documented.
哥伦比亚的祖母绿 (英语)
A comprehensive review of the history and geology of Colombian emeralds together with descriptions of some of the most famous gems to come from this locality.
钻石中非同寻常的哑铃状内含物 (英语)
Examination of a 0.40 ct near-colorless round brilliant diamond with a large inclusion resembling a dumbbell
Sapphire Rush Near Ambatondrazaka, Madagascar (英语)
A newly found deposit of sapphire in Madagascar is explored.
镶工提示 #3：探索 CAD CAM 的益处
夏季时尚理念：彩色俏皮珠宝
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