| 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. |
| Andalusite | Beryl | Clay | Feldspar | Mica | None | Quartz | Tourmaline |
| Amblygonite (*) | Andalusite (*) | Cordierite (*) | Dravite (*) | Elbaite (*) |
| Fluor-elbaite (*) | Fluor-schorl (*) | Muscovite (*) | Olenite (*) | Orthoclase (*) |
| Quartz (*) | Rossmanite (*) | Schorl (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Amblygonite (*) | None | LiAl(PO4)F | 0 | 244 | |||
| Andalusite (*) | Andalusite | Al2SiO5 | 0 | 1310 | |||
| Cordierite (*) | Beryl | Mg2Al4Si5O18 | 0 | 1008 | |||
| Dravite (*) | Tourmaline | NaMg3Al6(Si6O18)(BO3)3(OH)3(OH) | 0 | 648 | |||
| Elbaite (*) | Tourmaline | Na(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH) | 0 | 520 | |||
| Fluor-elbaite (*) | Tourmaline | Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F | 0 | 31 | |||
| Fluor-schorl (*) | Tourmaline | NaFe2+3Al6(Si6O18)(BO3)3(OH)3F | 0 | 25 | |||
| Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 0 | 17380 | |||
| Olenite (*) | Tourmaline | NaAl3Al6(Si6O18)(BO3)3O3(OH) | 0 | 24 | |||
| Orthoclase (*) | Feldspar | K(AlSi3O8) | 0 | 2349 | |||
| Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
| Rossmanite (*) | Tourmaline | (Al2Li)Al6(Si6O18)(BO3)3(OH)3(OH) | 0 | 37 | |||
| Schorl (*) | Tourmaline | NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH) | 0 | 2705 |
All locality data graciously provided by mindat.org
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