| 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. |
| Axinite | Calcite | Clay | None | Olivine | Rhodonite | Rocksalt | Rutile | Spinel |
| Axinite-(Mn) (*) | Bementite (*) | Calcite (*) | Hausmannite (*) | Jacobsite (*) |
| Manganosite (*) | Pyrolusite (*) | Rhodonite (*) | Tephroite (*) | Tinzenite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Axinite-(Mn) (*) | Axinite | Ca4Mn2+2Al4[B2Si8O30](OH)2 | 0 | 88 | |||
| Bementite (*) | Clay | Mn7Si6O15(OH)8 | 0 | 173 | |||
| Calcite (*) | Calcite | Ca(CO3) | 0 | 27770 | |||
| Hausmannite (*) | Spinel | Mn2+Mn3+2O4 | 0 | 350 | |||
| Jacobsite (*) | Spinel | Mn2+Fe3+2O4 | 0 | 172 | |||
| Manganosite (*) | Rocksalt | MnO | 0 | 73 | |||
| Pyrolusite (*) | Rutile | MnO2 | 0 | 3106 | |||
| Rhodonite (*) | Rhodonite | CaMn3Mn(Si5O15) | 0 | 969 | |||
| Tephroite (*) | Olivine | Mn2+2(SiO4) | 0 | 240 | |||
| Tinzenite (*) | Axinite | Ca2Mn2+4Al4[B2Si8O30](OH)2 | 0 | 24 |
| Sample | Source Locality | Reference URL |
|---|---|---|
All locality data graciously provided by mindat.org
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