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Hocartite: Ag2FeSnS4 Rhodostannite: Cu2FeSn3S8
Comments: B&W image of hocartite (hc) and rhodostannite (r) in sphalerite (s) and pyrite (p). (Mineralogical Journal, v15:222). Location: Toyoha mine, SW Sapporo City, Hokkaido, Japan. Scale: Scale Bar 50µm. © Mineralogical Journal