| 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. |
| Gypsum | Halotrichite | Hexahydrite | Metavoltine | None | Not in a structural group | Rocksalt | Sulphur | Voltaite |
| Alunogen (*) | Ferrinatrite (*) | Goldichite (*) | Gypsum (*) | Halite (*) |
| Halotrichite (*) | Hexahydrite (*) | Krausite (*) | Metavoltine (*) | Sideronatrite (*) |
| Sulphur (*) | Voltaite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Alunogen (*) | Not in a structural group | Al2(SO4)3(H2O)12·5H2O | 1 | 2725 | 272 | ||
| Ferrinatrite (*) | None | Na3Fe3+(SO4)3·3H2O | 1 | 2725 | 25 | ||
| Goldichite (*) | None | KFe3+(SO4)2·4H2O | 1 | 2725 | 12 | ||
| Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 1 | 2725 | 6890 | ||
| Halite (*) | Rocksalt | NaCl | 1 | 2725 | 1398 | ||
| Halotrichite (*) | Halotrichite | Fe2+Al2(SO4)4·22H2O | 1 | 2725 | 409 | ||
| Hexahydrite (*) | Hexahydrite | Mg(SO4)·6H2O | 1 | 2725 | 251 | ||
| Krausite (*) | None | KFe3+(SO4)2·H2O | 1 | 2725 | 21 | ||
| Metavoltine (*) | Metavoltine | K2Na6Fe2+Fe3+6O2(SO4)12·18H2O | 1 | 2725 | 78 | ||
| Sideronatrite (*) | None | Na2Fe3+(SO4)2(OH)·3H2O | 1 | 2725 | 73 | ||
| Sulphur (*) | Sulphur | S | 1 | 2725 | 2045 | ||
| Voltaite (*) | Voltaite | K2Fe2+5Fe3+3Al(SO4)12·18H2O | 1 | 2725 | 111 |
All locality data graciously provided by mindat.org
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