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Iridium : (Ir,Os,Ru), Osmium : (Os,Ir,Ru) |
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Adamsfield, Tasmania, Australia
A close-up of some alluvial "osmiridium" grains, showing platey grains of osmium, one with some rounded overgrowths of iridium. The grains are up to about 1.5mm long. R Bottrill specimen & photo. |
| © R. Bottrill | Photo ID: 203732 View Count: 107 |
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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: 213 |
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Adamsfield, Tasmania, Australia
Alluvial grains of "osmiridium" (mostly osmium), probably mined in the 1950's. There is 1g of the metal with about 100 grains from about 0.5-2mm in size, some with crystal forms; the circle is 10 mm diameter. |
| © Ralph Bottrill | Photo ID: 84781 View Count: 535 |
