| 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. |
| Adranosite | Alum | Alunite | Amorphous | Arcanite | Clay | Coquimbite | Gypsum | Halotrichite | Kaolinite |
| Metavoltine | None | Not in a structural group | Pyrite | Sulphur | Tamarugite | 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 |
|---|---|---|---|---|---|---|---|
| Adranosite-(Fe) (*) | Adranosite | (NH4)4NaFe2(SO4)4Cl(OH)2 | 0 | 6 | |||
| Alum-(K) (*) | Alum | KAl(SO4)2·12H2O | 0 | 92 | |||
| Aluminocoquimbite (*) | Coquimbite | Al2Fe2(SO4)6(H2O)12·9H2O | 0 | 5 | |||
| Alunite (*) | None | KAl3(SO4)2(OH)6 | 0 | 966 | |||
| Alunogen (*) | Not in a structural group | Al2(SO4)3(H2O)12·5H2O | 0 | 272 | |||
| Clairite (*) | None | (NH4)2Fe3+3(SO4)4(OH)3·3H2O | 0 | 8 | |||
| Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 0 | 6890 | |||
| Halotrichite (*) | Halotrichite | Fe2+Al2(SO4)4·22H2O | 0 | 409 | |||
| Halloysite-10Å (*) | Clay Kaolinite | Al2Si2O5(OH)4·2H2O | 0 | 62 | |||
| Jarosite (*) | Alunite | KFe3+3(SO4)2(OH)6 | 0 | 2228 | |||
| Krausite (*) | None | KFe3+(SO4)2·H2O | 0 | 21 | |||
| Magnesiovoltaite (*) | Voltaite | K2Mg5Fe3+3Al(SO4)12·18H2O | 0 | 2 | |||
| Mascagnite (*) | Arcanite | (NH4)2(SO4) | 0 | 61 | |||
| Metavoltine (*) | Metavoltine | K2Na6Fe2+Fe3+6O2(SO4)12·18H2O | 0 | 78 | |||
| Opal (*) | Amorphous | SiO2·nH2O | 0 | 2994 | |||
| Pickeringite (*) | Halotrichite | MgAl2(SO4)4·22H2O | 0 | 265 | |||
| Pyrite (*) | Pyrite | FeS2 | 0 | 39462 | |||
| Rhomboclase (*) | Not in a structural group | (H5O2)Fe3+(SO4)2·2H2O | 0 | 53 | |||
| Sulphur (*) | Sulphur | S | 0 | 2045 | |||
| Tamarugite (*) | Tamarugite | NaAl(SO4)2·6H2O | 0 | 87 | |||
| Tschermigite (*) | Alum | (NH4)Al(SO4)2·12H2O | 0 | 81 | |||
| Voltaite (*) | Voltaite | K2Fe2+5Fe3+3Al(SO4)12·18H2O | 0 | 111 |
All locality data graciously provided by mindat.org
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