| 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. |
| Copiapite | Epsomite | Halotrichite | Melanterite | None | Not in a structural group | Pyrite | Tamarugite |
| Aluminocopiapite (*) | Epsomite (*) | Fibroferrite (*) | Halotrichite (*) | Melanterite (*) |
| Pyrite (*) | Sideronatrite (*) | Tamarugite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Aluminocopiapite (*) | Copiapite | (Al,Mg)Fe3+4(SO4)6(OH,O)2·20H2O | 1 | 31152 | 50 | ||
| Epsomite (*) | Epsomite | Mg(SO4)·7H2O | 1 | 31152 | 484 | ||
| Fibroferrite (*) | Not in a structural group | Fe3+(SO4)(OH)·5H2O | 1 | 31152 | 107 | ||
| Halotrichite (*) | Halotrichite | Fe2+Al2(SO4)4·22H2O | 1 | 31152 | 409 | ||
| Melanterite (*) | Melanterite | Fe(SO4)·7H2O | 1 | 31152 | 915 | ||
| Pyrite (*) | Pyrite | FeS2 | 1 | 31152 | 39462 | ||
| Sideronatrite (*) | None | Na2Fe3+(SO4)2(OH)·3H2O | 1 | 31152 | 73 | ||
| Tamarugite (*) | Tamarugite | NaAl(SO4)2·6H2O | 1 | 31152 | 87 |
All locality data graciously provided by mindat.org
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