ChromferideChromferide
SEM image of ~0.28x0.18x0.15 mm micro-nugget of pure, analyticaly confirmed Chromferide extracted from heavy fraction of unspecified gold placer in area of Kumak gold deposit - the type locality of the species. Note microporous structure of this unusual compound - it able to contain Quartz in its pores. Note also imprints of octahedral crystals (chromite? pyrite?) on surface of the nugget. Kumak ore field, Orenburgskaya Oblast', Southern Urals, Urals Region, Russia
Copyright: Pavel M. Kartashov