Back sides of the same two micronuggets of isoferroplatinum 112.3 mg (left) and 72.4 mg (right). The mineral is very weak magnetic. Note its specific light silvery colour very different from nickel-like tulameenites from the same placer. Composition of the specimens are (Pt3.04Rh.11)3.15(Fe.58Cu.25Ni.02)0.85 (left) and Pt2.97Fe1.03 (right). Both specimens have imprints of octahedral chromspinelide crystals. FOV is ~10x7 mm. Pavel M. Kartashov collection, analytical data and photo.
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