| A | This mineral is Anthropogenic. |
| G | This mineral is directly dated. |
| B | This mineral is reported as having this age. |
| Y | This mineral is using an age reported as an element mineralization period. |
| O | This mineral is using an age calculated from all data at the locality. |
| R | The age displayed for this mineral originates from a different, non-child locality. |
| P | The age displayed for this mineral is the range of ages for this mineral at all of this locality's children. |
| This mineral's age has not yet been recorded. |
| Modderite | None | Pyrite |
| Irarsite (*) | Iridarsenite (*) | Laurite (*) | Ruthenarsenite (*) | Rutheniridosmine (*) |
| Mineral name | Structural Groups | IMA Formula | Max Age (Ma) | Min Age (Ma) | # of Sublocalities containing mineral | LOCALITY IDs, not mindat ids | # of localities containing mineral |
|---|---|---|---|---|---|---|---|
| Irarsite (*) | Pyrite | IrAsS | 0 | 154 | |||
| Iridarsenite (*) | None | IrAs2 | 0 | 13 | |||
| Laurite (*) | Pyrite | RuS2 | 0 | 226 | |||
| Ruthenarsenite (*) | Modderite | (Ru,Ni)As | 0 | 9 | |||
| Rutheniridosmine (*) | None | (Ir,Os,Ru) | 0 | 47 |
All locality data graciously provided by mindat.org
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