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Palladodymite: (Pd,Rh)2As Hongshiite: PtCu Ruthenium: (Ru,Ir,Os)
Comments: Palladodymite (light gray, in two small grains), hongshiite (pale creamy grayish, tarnished brownish) in massive ruthenium. Polished section (from microprobe analysis) in reflected light. Location: Miass River, Zlatoust, Ilmen Mts, Chelyabinsk Oblast', Urals Region, Russia. Scale: Picture size 0.09 mm. © Thomas Witzke / Abraxas-Verlag