| 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 | Calcite | Cristobalite | Erionite | Gypsum | Mordenite | None | Quartz |
| Boggsite (*) | Calcite (*) | Cowlesite (*) | Cristobalite (*) | Epistilbite (*) |
| Erionite-Na (*) | Gottardiite (*) | Gypsum (*) | Mordenite (*) | Mutinaite (*) |
| Opal (*) | Quartz (*) | Terranovaite (*) | Tschernichite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Boggsite (*) | None | Na3Ca8(Si77Al19)O192·70H2O | 0 | 2 | |||
| Calcite (*) | Calcite | Ca(CO3) | 0 | 27770 | |||
| Cowlesite (*) | None | Ca(Al2Si3)O10·5-6H2O | 0 | 84 | |||
| Cristobalite (*) | Cristobalite | SiO2 | 0 | 453 | |||
| Epistilbite (*) | Mordenite | Ca3[Si18Al6O48]·16H2O | 0 | 138 | |||
| Erionite-Na (*) | Erionite | Na10[Si26Al10O72]·30H2O | 0 | 13 | |||
| Gottardiite (*) | None | Na3Mg3Ca5Al19Si117O272·93H2O | 0 | 1 | |||
| Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 0 | 6890 | |||
| Mordenite (*) | Mordenite | (Na2,Ca,K2)4(Al8Si40)O96·28H2O | 0 | 405 | |||
| Mutinaite (*) | None | Na3Ca4Al11Si85O192·60H2O | 0 | 1 | |||
| Opal (*) | Amorphous | SiO2·nH2O | 0 | 2994 | |||
| Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
| Terranovaite (*) | None | NaCaAl3Si17O40·~8H2O | 0 | 1 | |||
| Tschernichite (*) | None | CaAl2Si6O16·8H2O | 0 | 7 |
All locality data graciously provided by mindat.org
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