Pyrite encrusted by spinel-law twinned fluorite and quartz, 14.5 cm, from the Shangbao mine, Hunan Province, China. This specimen was found in the early 2000s. Joe Budd Photo.
A collector's guide to Shangbao Mine, China: its geology, mining history and notable minerals, illustrated with the 493 specimens documented from this locality on EarthWonders.
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