| 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. |
| Braunite | Calcite | Clay | Coronadite | None | Ramsdellite | Spinel |
| Bementite (*) | Birnessite (*) | Braunite (*) | Cinnabar (*) | Cryptomelane (*) |
| Hausmannite (*) | Nsutite (*) | Ranciéite (*) | Rhodochrosite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Bementite (*) | Clay | Mn7Si6O15(OH)8 | 1 | 74136 | 173 | ||
| Birnessite (*) | None | (Na,Ca,K)0.6(Mn4+,Mn3+)2O4·1.5H2O | 1 | 74136 | 178 | ||
| Braunite (*) | Braunite | Mn2+Mn3+6O8(SiO4) | 1 | 74136 | 483 | ||
| Cinnabar (*) | None | HgS | 1 | 74136 | 2600 | ||
| Cryptomelane (*) | Coronadite | K(Mn4+7Mn3+)O16 | 1 | 74136 | 599 | ||
| Hausmannite (*) | Spinel | Mn2+Mn3+2O4 | 1 | 74136 | 350 | ||
| Nsutite (*) | Ramsdellite | Mn2+xMn4+1-xO2-2x(OH)2x | 1 | 74136 | 121 | ||
| Ranciéite (*) | None | (Ca,Mn2+)0.2(Mn4+,Mn3+)O2·0.6H2O | 1 | 74136 | 177 | ||
| Rhodochrosite (*) | Calcite | Mn(CO3) | 1 | 74136 | 1711 |
All locality data graciously provided by mindat.org
All age data...
Other copyright data...