| 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 | Clay | Gismondine | Kaolinite | Mica | None | Not in a structural group | Picromerite | Quartz |
| Rutile |
| Anatase (*) | Boussingaultite (*) | Gobbinsite (*) | Kaolinite (*) | Mascagnite (*) |
| Mohrite (*) | Muscovite (*) | Quartz (*) | Rutile (*) | Salammoniac (*) |
| Tschermigite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Anatase (*) | Not in a structural group | TiO2 | 0 | 2162 | |||
| Boussingaultite (*) | Picromerite | (NH4)2Mg(SO4)2·6H2O | 0 | 30 | |||
| Gobbinsite (*) | Gismondine | Na5(Si11Al5)O32·11H2O | 0 | 17 | |||
| Kaolinite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 0 | 5591 | |||
| Mascagnite (*) | Arcanite | (NH4)2(SO4) | 0 | 61 | |||
| Mohrite (*) | Picromerite | (NH4)2Fe2+(SO4)2·6H2O | 0 | 18 | |||
| Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 0 | 17380 | |||
| Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
| Rutile (*) | Rutile | TiO2 | 0 | 5614 | |||
| Salammoniac (*) | None | (NH4)Cl | 0 | 105 | |||
| Tschermigite (*) | Alum | (NH4)Al(SO4)2·12H2O | 0 | 81 |
All locality data graciously provided by mindat.org
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