Fluorite on quartz, 4.5 cm, from the Yaogangxian mine near Chenzhou, Hunan Province, China. Purchased in China, within an hour of where it was mined, in the summer of 2016. Photo: Beth Van Allen.
A collector's guide to Yaogangxian Mine, China: its geology, mining history and notable minerals, illustrated with the 1584 specimens documented from this locality on EarthWonders.
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