Stillwater Complex, Montana, USA
Brass yellow metallic crystalline aggregates of Mooihoekite in Quartz matrix (overall 2 x 1.5 x 1.5 cm). JFC collection (#00169) and photo.
© 2006 JF Carpentier
Stillwater Mine, Stillwater County, Montana, USA
Pale brass-yellow metallic mooihoekite associated with some dark brass-yellow chalcopyrite. Field of view 5 mm.
© Leon Hupperichs
Talnakh Cu-Ni Deposit, Noril'sk, Putoran Plateau, Taimyr Peninsula, Taymyrskiy Autonomous Okrug, Krasnoyarsk Krai, Russia
dimension area mm. 2 x 2 photo and collection Luigi Chiappino
Mooihoekite showing orange-brown tarnish, intergrown with a light brassy mineral resembling pyrite, in quartz-rich matrix. Field of view 6.3 mm. Collection and photograph Norman King.
© Norman King
Mayak Mine, Talnakh Cu-Ni Deposit, Noril'sk, Putoran Plateau, Taimyr Peninsula, Taymyrskiy Autonomous Okrug, Krasnoyarsk Krai, Russia
Metallic, tarnishing purple mooihoekite below the brass yellow talnakhite at the top of the specimen. Former Jaroslav Hyrsl collection. Rolf Luetcke specimen and photo.
Purple tarnished mooihoekite. Associated minerals, not in the photograph, include, chalcopyrite and a unknown black metallic mineral. Brent Thorne specimen and photograph.
© Brent Thorne 2015
4.3 x 2.2 x 1.4 cm. Mooihoekite is a rare Cu-Fe sulfosalt. It is very uncommon in the Stillwater Complex, a large layered mafic intrusion that is about 2700 MYA. The Complex hosts Platinum-group element (PGE) deposits and occurrences. Patches of metallic bronze-yellow crystals are scattered on all sides of the quartz-rich miniature matrix. Very ...
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