| 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. |
| Baryte | Bixbyite | Chloritoid | Clay | Coronadite | Corundum | Cristobalite | Mica | None | Quartz |
| Rhodonite |
| Baryte (*) | Bixbyite (*) | Coronadite (*) | Cristobalite (*) | Cryptomelane (*) |
| Hematite (*) | Muscovite (*) | Ottrélite (*) | Quartz (*) | Rhodonite (*) |
| Romanèchite (*) | Todorokite (*) | Woodruffite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Baryte (*) | Baryte | Ba(SO4) | 0 | 11547 | |||
| Bixbyite (*) | Bixbyite | Mn3+2O3 | 0 | 104 | |||
| Coronadite (*) | Coronadite | Pb(Mn4+6Mn3+2)O16 | 0 | 227 | |||
| Cristobalite (*) | Cristobalite | SiO2 | 0 | 453 | |||
| Cryptomelane (*) | Coronadite | K(Mn4+7Mn3+)O16 | 0 | 599 | |||
| Hematite (*) | Corundum | Fe2O3 | 0 | 14640 | |||
| Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 0 | 17380 | |||
| Ottrélite (*) | Chloritoid | Mn2+Al2O(SiO4)(OH)2 | 0 | 59 | |||
| Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
| Rhodonite (*) | Rhodonite | CaMn3Mn(Si5O15) | 0 | 969 | |||
| Romanèchite (*) | None | (Ba,H2O)2(Mn4+,Mn3+)5O10 | 0 | 312 | |||
| Todorokite (*) | None | (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O | 0 | 433 | |||
| Woodruffite (*) | None | Zn2(Mn4+,Mn3+)5O10·4H2O | 0 | 25 |
All locality data graciously provided by mindat.org
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