| 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. |
| Allophane | Alumohydrocalcite | Aragonite | Calcite | Corundum | Garnet | Gypsum | None | Olivine | Rutile |
| Aragonite (*) | Calcite (*) | Gypsum (*) | Neotocite (*) | Para-alumohydrocalcite (*) |
| Pararealgar (*) | Pharmacolite (*) | Pyrolusite (*) | Pyrophanite (*) | Realgar (*) |
| Spessartine (*) | Tephroite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Aragonite (*) | Aragonite | Ca(CO3) | 0 | 3250 | |||
| Calcite (*) | Calcite | Ca(CO3) | 0 | 27770 | |||
| Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 0 | 6890 | |||
| Neotocite (*) | Allophane | (Mn,Fe)SiO3·H2O (?) | 0 | 186 | |||
| Para-alumohydrocalcite (*) | Alumohydrocalcite | CaAl2(CO3)2(OH)4·6H2O | 0 | 6 | |||
| Pararealgar (*) | None | As4S4 | 0 | 57 | |||
| Pharmacolite (*) | Gypsum | Ca(AsO3OH)·2H2O | 0 | 105 | |||
| Pyrolusite (*) | Rutile | MnO2 | 0 | 3106 | |||
| Pyrophanite (*) | Corundum | Mn2+TiO3 | 0 | 244 | |||
| Realgar (*) | None | AsS | 0 | 712 | |||
| Spessartine (*) | Garnet | Mn2+3Al2(SiO4)3 | 0 | 1214 | |||
| Tephroite (*) | Olivine | Mn2+2(SiO4) | 0 | 240 |
All locality data graciously provided by mindat.org
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