| 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. |
| None | Pentlandite | Pyrite | Spinel | Ullmannite |
| Chromite (*) | Genkinite (*) | Hollingworthite (*) | Irarsite (*) | Laurite (*) |
| Osmium (*) | Pentlandite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Chromite (*) | Spinel | Fe2+Cr2O4 | 0 | 3902 | |||
| Genkinite (*) | None | Pt4Sb3 | 0 | 12 | |||
| Hollingworthite (*) | Ullmannite | RhAsS | 0 | 119 | |||
| Irarsite (*) | Pyrite | IrAsS | 0 | 154 | |||
| Laurite (*) | Pyrite | RuS2 | 0 | 226 | |||
| Osmium (*) | None | Os | 0 | 169 | |||
| Pentlandite (*) | Pentlandite | (Ni,Fe)9S8 | 0 | 1512 |
All locality data graciously provided by mindat.org
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