| 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. |
| Corundum | Garnet | None | Pyroxene | Spinel |
| Akimotoite (*) | Jadeite (*) | Majorite (*) | Pyrope (*) | Ringwoodite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Akimotoite (*) | Corundum | MgSiO3 | 0 | 10 | |||
| Jadeite (*) | Pyroxene | NaAlSi2O6 | 0 | 154 | |||
| Majorite (*) | Garnet | Mg3(MgSi)(SiO4)3 | 0 | 24 | |||
| Pyrope (*) | Garnet | Mg3Al2(SiO4)3 | 0 | 341 | |||
| Ringwoodite (*) | Spinel | SiMg2O4 | 0 | 25 |
All locality data graciously provided by mindat.org
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