| 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. |
| Blödite | Carnallite | Epsomite | None | Picromerite | Rocksalt | Spinel |
| Bischofite (*) | Blödite (*) | Carnallite (*) | Epsomite (*) | Greigite (*) |
| Halite (*) | Hydromagnesite (*) | Mirabilite (*) | Nesquehonite (*) | Picromerite (*) |
| Sylvite (*) | Thénardite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Bischofite (*) | None | MgCl2·6H2O | 0 | 42 | |||
| Blödite (*) | Blödite | Na2Mg(SO4)2·4H2O | 0 | 130 | |||
| Carnallite (*) | Carnallite | KMgCl3·6H2O | 0 | 132 | |||
| Epsomite (*) | Epsomite | Mg(SO4)·7H2O | 0 | 484 | |||
| Greigite (*) | Spinel | Fe2+Fe3+2S4 | 0 | 62 | |||
| Halite (*) | Rocksalt | NaCl | 0 | 1398 | |||
| Hydromagnesite (*) | None | Mg5(CO3)4(OH)2·4H2O | 0 | 341 | |||
| Mirabilite (*) | None | Na2(SO4)·10H2O | 0 | 223 | |||
| Nesquehonite (*) | None | Mg(CO3)·3H2O | 0 | 80 | |||
| Picromerite (*) | Picromerite | K2Mg(SO4)2·6H2O | 0 | 44 | |||
| Sylvite (*) | Rocksalt | KCl | 0 | 275 | |||
| Thénardite (*) | None | Na2(SO4) | 0 | 299 |
All locality data graciously provided by mindat.org
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