| 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. |
| Alunite | Fluorite | Marcasite | Melanterite | None | Pyrite | Starkeyite |
| Deliensite (*) | Jarosite (*) | Marcasite (*) | Melanterite (*) | Pyrite (*) |
| Rozenite (*) | Uraninite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Deliensite (*) | None | Fe2+(UO2)2(SO4)2(OH)2·7H2O | 0 | 14 | |||
| Jarosite (*) | Alunite | KFe3+3(SO4)2(OH)6 | 0 | 2228 | |||
| Marcasite (*) | Marcasite | FeS2 | 0 | 5674 | |||
| Melanterite (*) | Melanterite | Fe(SO4)·7H2O | 0 | 915 | |||
| Pyrite (*) | Pyrite | FeS2 | 0 | 39462 | |||
| Rozenite (*) | Starkeyite | Fe2+(SO4)·4H2O | 0 | 293 | |||
| Uraninite (*) | Fluorite | UO2 | 0 | 2718 |
All locality data graciously provided by mindat.org
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