| 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. |
| Alum | Arcanite | Blödite | Calcite | Gypsum | None | Picromerite | Rocksalt | Sulphur | 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 |
|---|---|---|---|---|---|---|---|
| Blödite (*) | Blödite | Na2Mg(SO4)2·4H2O | 1 | 156879 | 130 | ||
| Boussingaultite (*) | Picromerite | (NH4)2Mg(SO4)2·6H2O | 0 | 30 | |||
| Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 0 | 6890 | |||
| Halite (*) | Rocksalt | NaCl | 0 | 1398 | |||
| Koktaite (*) | None | (NH4)2Ca(SO4)2·H2O | 0 | 12 | |||
| Konyaite (*) | Picromerite | Na2Mg(SO4)2·5H2O | 1 | 156879 | 20 | ||
| Lecontite (*) | None | (NH4)Na(SO4)·2H2O | 0 | 6 | |||
| Mascagnite (*) | Arcanite | (NH4)2(SO4) | 0 | 61 | |||
| Mirabilite (*) | None | Na2(SO4)·10H2O | 0 | 223 | |||
| Nitratine (*) | Calcite | Na(NO3) | 1 | 156879 | 91 | ||
| Salammoniac (*) | None | (NH4)Cl | 0 | 105 | |||
| Sulphur (*) | Sulphur | S | 0 | 2045 | |||
| Sylvite (*) | Rocksalt | KCl | 0 | 275 | |||
| Tamarugite (*) | Tamarugite | NaAl(SO4)2·6H2O | 0 | 87 | |||
| Thénardite (*) | None | Na2(SO4) | 0 | 299 | |||
| Tschermigite (*) | Alum | (NH4)Al(SO4)2·12H2O | 0 | 81 |
All locality data graciously provided by mindat.org
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