| 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. |
| Analcime | Beryl | Calcite | Corundum | Cristobalite | Feldspar | Harmotome | None | Quartz | Spinel |
| Analcime (*) | Calcite (*) | Cordierite (*) | Cristobalite (*) | Harmotome (*) |
| Hercynite (*) | Ilmenite (*) | Mullite (*) | Phillipsite-Ca (*) | Phillipsite-K (*) |
| Quartz (*) | Sanidine (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Analcime (*) | Analcime | Na(AlSi2O6)·H2O | 0 | 1627 | |||
| Calcite (*) | Calcite | Ca(CO3) | 0 | 27770 | |||
| Cordierite (*) | Beryl | Mg2Al4Si5O18 | 0 | 1008 | |||
| Cristobalite (*) | Cristobalite | SiO2 | 0 | 453 | |||
| Harmotome (*) | Harmotome | Ba2(Si12Al4)O32·12H2O | 0 | 290 | |||
| Hercynite (*) | Spinel | Fe2+Al2O4 | 0 | 407 | |||
| Ilmenite (*) | Corundum | Fe2+Ti4+O3 | 0 | 5433 | |||
| Mullite (*) | None | Al4+2xSi2-2xO10-x (x ≈ 0.4) | 0 | 78 | |||
| Phillipsite-Ca (*) | Harmotome | Ca3(Si10Al6)O32·12H2O | 0 | 75 | |||
| Phillipsite-K (*) | Harmotome | K6(Si10Al6)O32·12H2O | 0 | 71 | |||
| Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
| Sanidine (*) | Feldspar | K(AlSi3O8) | 0 | 598 |
All locality data graciously provided by mindat.org
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