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Mooihoekite: Cu9Fe9S16 Haycockite: Cu4Fe5S8
Comments: B&W polished section image of mooihoekite-haycockite intergrowth showing tarnished mooihoekite (mh) and haycockite (hc). The small whitest lamellar grains are mackinawite.
Location: Hortonolite dunite (replacement,) pegmatite, Mooihoek Farm, Lydenburg District, Transvaal, South Africa. (AmMin, v57:689).
Scale: See Image.
© American Mineralogist
Comments: Lighter toned brassy metallic mooihoekite masses in chalcopyrite with magnetite.
Location: Oktyabr'skoye Mine, Norilsk, Krasnoyarsk Territory, Siberia, Russia.
Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species