| 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. |
| Chalcanthite | Melanterite | None | Roselite | Tamarugite |
| Boothite (*) | Chalcanthite (*) | Ferrinatrite (*) | Kröhnkite (*) | Leightonite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Boothite (*) | Melanterite | Cu(SO4)·7H2O | 0 | 18 | |||
| Chalcanthite (*) | Chalcanthite | Cu(SO4)·5H2O | 0 | 925 | |||
| Ferrinatrite (*) | None | Na3Fe3+(SO4)3·3H2O | 0 | 25 | |||
| Kröhnkite (*) | Roselite | Na2Cu(SO4)2·2H2O | 0 | 27 | |||
| Leightonite (*) | None | K2Ca2Cu(SO4)4·2H2O | 0 | 9 | |||
| Sideronatrite (*) | None | Na2Fe3+(SO4)2(OH)·3H2O | 0 | 73 | |||
| Tamarugite (*) | Tamarugite | NaAl(SO4)2·6H2O | 0 | 87 |
All locality data graciously provided by mindat.org
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