| 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 | Andalusite | Aragonite | Atacamite | Beryl | Brochantite | Calcite | Chalcopyrite | Clay | Clinozoisite |
| Epidote | Gypsum | Mica | None | Not in a structural group | Plancheite | Pyrite | Quartz | Rutile | Spinel |
| Titanite |
| 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 | 1917 | 966 | ||
| Andalusite (*) | Andalusite | Al2SiO5 | 1 | 1915 | 1310 | ||
| Antlerite (*) | Not in a structural group | Cu2+3(SO4)(OH)4 | 1 | 1917 | 246 | ||
| Aragonite (*) | Aragonite | Ca(CO3) | 1 | 1917 | 3250 | ||
| Atacamite (*) | Atacamite | Cu2Cl(OH)3 | 1 | 1917 | 544 | ||
| Brochantite (*) | Brochantite | Cu4(SO4)(OH)6 | 1 | 1917 | 1633 | ||
| Calcite (*) | Calcite | Ca(CO3) | 2 | 1915,1917 | 27770 | ||
| Chalcopyrite (*) | Chalcopyrite | CuFeS2 | 2 | 1916,1918 | 27198 | ||
| Cordierite (*) | Beryl | Mg2Al4Si5O18 | 1 | 1915 | 1008 | ||
| Epidote (*) | Epidote Clinozoisite | Ca2(Al2Fe3+)[Si2O7][SiO4]O(OH) | 1 | 1918 | 8173 | ||
| Fibroferrite (*) | Not in a structural group | Fe3+(SO4)(OH)·5H2O | 1 | 1917 | 107 | ||
| Graphite (*) | None | C | 1 | 1915 | 2812 | ||
| Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 2 | 1917,1918 | 6890 | ||
| Jarosite (*) | Alunite | KFe3+3(SO4)2(OH)6 | 1 | 1918 | 2228 | ||
| Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 2 | 1916,1918 | 14899 | ||
| Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 1 | 1915 | 17380 | ||
| Natrojarosite (*) | Alunite | NaFe3+3(SO4)2(OH)6 | 1 | 1917 | 254 | ||
| Plancheite (*) | Plancheite | Cu8(Si4O11)2(OH)4·H2O | 1 | 1917 | 74 | ||
| Pyrite (*) | Pyrite | FeS2 | 2 | 1916,1918 | 39462 | ||
| Quartz (*) | Quartz | SiO2 | 2 | 1916,1918 | 61156 | ||
| Rutile (*) | Rutile | TiO2 | 1 | 1916 | 5614 | ||
| Thénardite (*) | None | Na2(SO4) | 1 | 1917 | 299 | ||
| Titanite (*) | Titanite | CaTi(SiO4)O | 1 | 1918 | 4899 |
All locality data graciously provided by mindat.org
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