| 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 | Bixbyite | Calcite | Copper | Diaspore | Fluorite | None | Phenakite | Polybasite | Quartz |
| Ramsdellite | Rutile |
| Aurorite (*) | Bixbyite (*) | Calcite (*) | Chalcophanite (*) | Fluorite (*) |
| Gold (*) | Groutite (*) | Manganite (*) | Nsutite (*) | Opal (*) |
| Polybasite (*) | Pyrolusite (*) | Quartz (*) | Todorokite (*) | Willemite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Aurorite (*) | None | Mn2+Mn4+3O7·3H2O | 0 | 22 | |||
| Bixbyite (*) | Bixbyite | Mn3+2O3 | 1 | 149398 | 104 | ||
| Calcite (*) | Calcite | Ca(CO3) | 0 | 27770 | |||
| Chalcophanite (*) | None | ZnMn4+3O7·3H2O | 0 | 197 | |||
| Fluorite (*) | Fluorite | CaF2 | 0 | 9617 | |||
| Gold (*) | Copper | Au | 1 | 149397 | 30554 | ||
| Groutite (*) | Diaspore | Mn3+O(OH) | 2 | 149398,149399 | 72 | ||
| Manganite (*) | Rutile | Mn3+O(OH) | 1 | 149398 | 770 | ||
| Nsutite (*) | Ramsdellite | Mn2+xMn4+1-xO2-2x(OH)2x | 1 | 149399 | 121 | ||
| Opal (*) | Amorphous | SiO2·nH2O | 0 | 2994 | |||
| Polybasite (*) | Polybasite | [Ag9CuS4][(Ag,Cu)6(Sb,As)2S7] | 0 | 716 | |||
| Pyrolusite (*) | Rutile | MnO2 | 0 | 3106 | |||
| Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
| Todorokite (*) | None | (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O | 1 | 149398 | 433 | ||
| Willemite (*) | Phenakite | Zn2SiO4 | 0 | 303 |
All locality data graciously provided by mindat.org
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