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Corderoite: Hg3S2Cl2
Comments: Small dark brown dodecahedral crystal of corderoite. Location: Hohe Buche, Königsberg, Wolfstein, Palatinate, Rhineland-Palatinate, Germany. Scale: Picture size 1 mm. © Thomas Witzke / Abraxas-Verlag
Corderoite: Hg3S2Cl2 Radtkeite: Hg3S2ClI
Comments: SEM image of prismatic radtkeite crystals and equant corderoite crystals on quartz matrix. AmMin, v76:1715). Location: McDermitt mercury mine, Humboldt County, Nevada, USA. Scale: Scale Bar 10 µm. © American Mineralogist