| 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. |
| Amphibole | Beryl | Calcite | Cancrinite-sodalite | Clay | Corundum | Mica | None | Not in a structural group | Sapphirine |
| Sodalite | Talc | Tourmaline |
| Calcite (*) | Cordierite (*) | Corundum (*) | Dravite (*) | Gedrite (*) |
| Kyanite (*) | Phlogopite (*) | Sapphirine (*) | Sodalite (*) | Talc (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Calcite (*) | Calcite | Ca(CO3) | 0 | 27770 | |||
| Cordierite (*) | Beryl | Mg2Al4Si5O18 | 0 | 1008 | |||
| Corundum (*) | Corundum | Al2O3 | 0 | 1797 | |||
| Dravite (*) | Tourmaline | NaMg3Al6(Si6O18)(BO3)3(OH)3(OH) | 0 | 648 | |||
| Gedrite (*) | Amphibole | Mg2(Mg3Al2)(Si6Al2)O22(OH)2 | 0 | 178 | |||
| Kyanite (*) | Not in a structural group | Al2OSiO4 | 0 | 1507 | |||
| Phlogopite (*) | Mica Clay | KMg3(AlSi3O10)(OH)2 | 0 | 2273 | |||
| Sapphirine (*) | Sapphirine | Mg4(Mg3Al9)O4[Si3Al9O36] | 0 | 129 | |||
| Sodalite (*) | Cancrinite-sodalite Sodalite | Na4(Si3Al3)O12Cl | 0 | 444 | |||
| Talc (*) | Clay Talc | Mg3Si4O10(OH)2 | 0 | 3337 |
All locality data graciously provided by mindat.org
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