| 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. |
| Alunite | Braunite | Corundum | Garnet | None | Quartz | Rutile | Spinel | Sulphur |
| Alunite (*) | Braunite (*) | Hausmannite (*) | Hematite (*) | Natroalunite (*) |
| Pyrolusite (*) | Quartz (*) | Spessartine (*) | Sulphur (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Alunite (*) | None | KAl3(SO4)2(OH)6 | 1 | 76500 | 966 | ||
| Braunite (*) | Braunite | Mn2+Mn3+6O8(SiO4) | 1 | 76501 | 483 | ||
| Hausmannite (*) | Spinel | Mn2+Mn3+2O4 | 1 | 76501 | 350 | ||
| Hematite (*) | Corundum | Fe2O3 | 1 | 76501 | 14640 | ||
| Natroalunite (*) | Alunite | NaAl3(SO4)2(OH)6 | 1 | 76500 | 128 | ||
| Pyrolusite (*) | Rutile | MnO2 | 1 | 76501 | 3106 | ||
| Quartz (*) | Quartz | SiO2 | 1 | 76501 | 61156 | ||
| Spessartine (*) | Garnet | Mn2+3Al2(SiO4)3 | 1 | 76501 | 1214 | ||
| Sulphur (*) | Sulphur | S | 1 | 76500 | 2045 |
All locality data graciously provided by mindat.org
All age data...
Other copyright data...