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.
夏季时尚理念:彩色俏皮珠宝
深入探寻 2013 年图森展

镶工提示 #3:探索 CAD CAM 的益处



Soweto(索韦托)珠宝商是南非希望的象征








.jpg)


