Learn about Fluorite
calcium fluoride with a dazzling color range, cubic and octahedral crystals, and UV fluorescence; prized by collectors for Blue John banding.Fluorite, Quartz and Arsenopyrite from Yaogangxian Mine
Comprehensive guide to fluorite from Yaogangxian MineYaogangxian Mine
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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