| 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. |
| Amorphous | Beryl | Clay | Dumortierite | Fluorite | Garnet | Mica | None | Not in a structural group | Quartz |
| Tourmaline | Zircon |
| Almandine (*) | Beryl (*) | Boltwoodite (*) | Dumortierite (*) | Kyanite (*) |
| Metatorbernite (*) | Muscovite (*) | Opal (*) | Quartz (*) | Schorl (*) |
| Uraninite (*) | Uranophane-α (*) | Zircon (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Almandine (*) | Garnet | Fe2+3Al2(SiO4)3 | 0 | 2353 | |||
| Beryl (*) | Beryl | Be3Al2Si6O18 | 0 | 4286 | |||
| Boltwoodite (*) | None | (K,Na)(UO2)(SiO3OH)·1.5H2O | 0 | 67 | |||
| Dumortierite (*) | Dumortierite | AlAl6BSi3O18 | 0 | 231 | |||
| Kyanite (*) | Not in a structural group | Al2OSiO4 | 0 | 1507 | |||
| Metatorbernite (*) | None | Cu(UO2)2(PO4)2·8H2O | 0 | 443 | |||
| Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 0 | 17380 | |||
| Opal (*) | Amorphous | SiO2·nH2O | 0 | 2994 | |||
| Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
| Schorl (*) | Tourmaline | NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) | 0 | 2705 | |||
| Uraninite (*) | Fluorite | UO2 | 0 | 2718 | |||
| Uranophane-α (*) | None | Ca(UO2)2(SiO3OH)2·5H2O | 0 | 890 | |||
| Zircon (*) | Zircon | Zr(SiO4) | 0 | 5251 |
All locality data graciously provided by mindat.org
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