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Iridium (Var: Osmiridium) : (Ir,Os,Ru), Iridium : (Ir,Os,Ru), Osmium : (Os,Ir,Ru) | |
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Adamsfield, Tasmania, Australia A small nugget (~3mm across) of "osmiridium" (usually mostly osmium, with lesser iridium and rutheniridosmine, plus minor ruthenium), from alluvial workings, Adamsfield. G Dainty specimen, R Bottrill photo. |
| © R. Bottrill | Photo ID: 203730 View Count: 212 |
Iridium (Var: Osmiridium) : (Ir,Os,Ru) | |
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Urals Region, Russia size: MM-box Paul Bongaerts specimen and photograph |
| © Paul Bongaerts | Photo ID: 25550 View Count: 1301 |
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Neiva River, Sysert' district, Ekaterinburgskaya (Sverdlovskaya) Oblast', Middle Urals, Urals Region, Russia 0.9 mm micronugget of osmiridium ("nev'yanskite") with composition (Ir.70Os.26Ru.02Pt.02) from heavy nonmagnetic concentrate of sands Neiva river. Note bright metallic tin-white appearance of the mineral. Associating minerals in the concentrate are iridosmine ("sysertskite"), gold, electrum, "chromite" and native tin. Pavel M. Kartashov collection ... |
| © Pavel M. Kartashov | Photo ID: 158750 View Count: 238 |
Iridium (Var: Osmiridium) : (Ir,Os,Ru) | |
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Neiva River, Sysert' district, Ekaterinburgskaya (Sverdlovskaya) Oblast', Middle Urals, Urals Region, Russia Back side of the same 0.9 mm micronugget of osmiridium ("nev'yanskite") with composition (Ir.70Os.26Ru.02Pt.02) from heavy nonmagnetic concentrate of sands Neiva river. Note bright metallic tin-white appearance of the mineral and morphology of its grain typical for iridium - nonhexagonal member of Os-Ir-Ru system. Associating minerals in the ... |
| © Pavel M. Kartashov | Photo ID: 158758 View Count: 174 |
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