| 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. |
| Amphibole | Apatite | Calcite | Clay | Garnet | None | Prehnite | Quartz | Rhodonite | Serpentine |
| Stilpnomelane |
| Actinolite (*) | Calcite (*) | Caryopilite (*) | Coombsite (*) | Fluorapatite (*) |
| Kutnohorite (*) | Parsettensite (*) | Prehnite (*) | Quartz (*) | Rhodochrosite (*) |
| Rhodonite (*) | Spessartine (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Actinolite (*) | Amphibole | Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2 | 0 | 3419 | |||
| Calcite (*) | Calcite | Ca(CO3) | 0 | 27770 | |||
| Caryopilite (*) | Clay Serpentine | Mn2+3Si2O5(OH)4 | 0 | 83 | |||
| Coombsite (*) | None | KMn2+13(Si,Al)18O42(OH)14 | 0 | 3 | |||
| Fluorapatite (*) | Apatite | Ca5(PO4)3F | 0 | 2740 | |||
| Kutnohorite (*) | None | CaMn2+(CO3)2 | 0 | 234 | |||
| Parsettensite (*) | Stilpnomelane Clay | (K,Na,Ca)7.5(Mn,Mg)49Si72O168(OH)50·nH2O | 0 | 43 | |||
| Prehnite (*) | Prehnite | Ca2Al(Si3Al)O10(OH)2 | 0 | 1898 | |||
| Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
| Rhodochrosite (*) | Calcite | Mn(CO3) | 0 | 1711 | |||
| Rhodonite (*) | Rhodonite | CaMn3Mn(Si5O15) | 0 | 969 | |||
| Spessartine (*) | Garnet | Mn2+3Al2(SiO4)3 | 0 | 1214 |
All locality data graciously provided by mindat.org
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