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 | Iron | None | Not in a structural group | Post-spinel | Ramsdellite | Spinel |
Anatase (*) | Chromite (*) | Cuprite (*) | Cuprospinel (*) | Hematite (*) |
Karelianite (*) | Maghemite (*) | Marokite (*) | Mullite (*) | Ramsdellite (*) |
Zhanghengite (*) | Zincochromite (*) |
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 |
---|---|---|---|---|---|---|---|
Anatase (*) | Not in a structural group | TiO2 | 0 | 2162 | |||
Chromite (*) | Spinel | Fe2+Cr2O4 | 0 | 3902 | |||
Cuprite (*) | Not in a structural group | Cu2O | 0 | 2970 | |||
Cuprospinel (*) | Spinel | Cu2+Fe3+2O4 | 0 | 0 | 0 | 4 | |
Hematite (*) | Corundum | Fe2O3 | 0 | 14640 | |||
Karelianite (*) | Corundum | V2O3 | 0 | 17 | |||
Maghemite (*) | Spinel | (Fe3+0.67 0.33)Fe3+2O4 | 0 | 229 | |||
Marokite (*) | Post-spinel | CaMn3+2O4 | 0 | 8 | |||
Mullite (*) | None | Al4+2xSi2-2xO10-x (x ≈ 0.4) | 0 | 78 | |||
Ramsdellite (*) | Ramsdellite | MnO2 | 0 | 88 | |||
Zhanghengite (*) | Iron | CuZn | 0 | 6 | |||
Zincochromite (*) | Spinel | ZnCr2O4 | 0 | 11 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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