| 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. |
| Amorphous | Apatite | Arseniosiderite | Clay | Diaspore | None | Not in a structural group | Smectite-vermiculite | Vivianite |
| Anapaite (*) | Goethite (*) | Hydroxylapatite (*) | Mitridatite (*) | Opal (*) |
| Vermiculite (*) | Vivianite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Anapaite (*) | Not in a structural group | Ca2Fe2+(PO4)2·4H2O | 0 | 25 | |||
| Goethite (*) | Diaspore | FeO(OH) | 0 | 7437 | |||
| Hydroxylapatite (*) | Apatite | Ca5(PO4)3OH | 0 | 367 | |||
| Mitridatite (*) | Arseniosiderite | Ca2Fe3+3O2(PO4)3·3H2O | 0 | 129 | |||
| Opal (*) | Amorphous | SiO2·nH2O | 0 | 2994 | |||
| Vermiculite (*) | Clay Smectite-vermiculite | Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4·8H2O | 0 | 652 | |||
| Vivianite (*) | Vivianite | Fe2+3(PO4)2·8H2O | 0 | 636 |
All locality data graciously provided by mindat.org
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