IRIDIUM (osmiridium, platiniridium, ruthenosmiridium) Ir (cubic)

scanning electron micrograph of ferronickelplatinum (FNP) in iridium (Ir, an iridium rich iridium/osmium solid solution) with laurite (L) and osmium (Os, rutheniridosmine)
placer deposit near Pekul'nei Massif, Chukot Peninsula, Magadan District, Russian Far East, Russia