| 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 | Arcanite | Gypsum | Melanterite | None | Not in a structural group | Pyrite | Starkeyite | Sulphur |
| Gypsum (*) | Jarosite (*) | Lecontite (*) | Mascagnite (*) | Melanterite (*) |
| Natrojarosite (*) | Pyrite (*) | Rhomboclase (*) | Sborgite (*) | Starkeyite (*) |
| Sulphur (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 0 | 6890 | |||
| Jarosite (*) | Alunite | KFe3+3(SO4)2(OH)6 | 0 | 2228 | |||
| Lecontite (*) | None | (NH4)Na(SO4)·2H2O | 0 | 6 | |||
| Mascagnite (*) | Arcanite | (NH4)2(SO4) | 0 | 61 | |||
| Melanterite (*) | Melanterite | Fe(SO4)·7H2O | 0 | 915 | |||
| Natrojarosite (*) | Alunite | NaFe3+3(SO4)2(OH)6 | 0 | 254 | |||
| Pyrite (*) | Pyrite | FeS2 | 0 | 39462 | |||
| Rhomboclase (*) | Not in a structural group | (H5O2)Fe3+(SO4)2·2H2O | 0 | 53 | |||
| Sborgite (*) | None | NaB5O6(OH)4·3H2O | 0 | 6 | |||
| Starkeyite (*) | Starkeyite | Mg(SO4)·4H2O | 0 | 79 | |||
| Sulphur (*) | Sulphur | S | 0 | 2045 |
All locality data graciously provided by mindat.org
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