| 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 | Apophyllite | Aragonite | Baryte | Calcite | Clay | Copiapite | Coronadite | Cristobalite | Feldspar |
| Gypsum | Kaolinite | None | Olivine | Phosphosiderite | Pyroxene | Smectite-vermiculite | Spinel | Tridymite |
| 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 |
|---|---|---|---|---|---|---|---|
| Alunite (*) | None | KAl3(SO4)2(OH)6 | 1 | 22698 | 966 | ||
| Aragonite (*) | Aragonite | Ca(CO3) | 1 | 22698 | 3250 | ||
| Augite (*) | Pyroxene | (Ca,Mg,Fe)2Si2O6 | 1 | 22698 | 2060 | ||
| Baryte (*) | Baryte | Ba(SO4) | 1 | 22698 | 11547 | ||
| Cacoxenite (*) | None | Fe3+24AlO6(PO4)17(OH)12·75H2O | 1 | 22698 | 280 | ||
| Calcite (*) | Calcite | Ca(CO3) | 1 | 22698 | 27770 | ||
| Copiapite (*) | Copiapite | Fe2+Fe3+4(SO4)6(OH)2·20H2O | 1 | 22698 | 382 | ||
| Cristobalite (*) | Cristobalite | SiO2 | 1 | 22698 | 453 | ||
| Cryptomelane (*) | Coronadite | K(Mn4+7Mn3+)O16 | 1 | 22698 | 599 | ||
| Diopside (*) | Pyroxene | CaMgSi2O6 | 1 | 22698 | 4135 | ||
| Enstatite (*) | Pyroxene | Mg2Si2O6 | 1 | 22698 | 944 | ||
| Fayalite (*) | Olivine | Fe2+2(SiO4) | 1 | 22698 | 371 | ||
| Fluorapophyllite-(K) (*) | Apophyllite | KCa4Si8O20F·8H2O | 1 | 22698 | 303 | ||
| Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 1 | 22698 | 6890 | ||
| Hercynite (*) | Spinel | Fe2+Al2O4 | 1 | 22698 | 407 | ||
| Kaolinite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 1 | 22698 | 5591 | ||
| Kolbeckite (*) | Phosphosiderite | Sc(PO4)·2H2O | 1 | 22698 | 26 | ||
| Montmorillonite (*) | Clay Smectite-vermiculite | (Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O | 1 | 22698 | 1508 | ||
| Nontronite (*) | Clay Smectite-vermiculite | Na0.3Fe3+2(Si,Al)4O10(OH)2·nH2O | 1 | 22698 | 471 | ||
| Opal (*) | Amorphous | SiO2·nH2O | 1 | 22698 | 2994 | ||
| Sanidine (*) | Feldspar | K(AlSi3O8) | 1 | 22698 | 598 | ||
| Saponite (*) | Clay Smectite-vermiculite | (Ca,Na)0.3(Mg,Fe)3(Si,Al)4O10(OH)2·4H2O | 1 | 22698 | 301 | ||
| Siderite (*) | Calcite | Fe(CO3) | 1 | 22698 | 6417 | ||
| Tridymite (*) | Tridymite | SiO2 | 1 | 22698 | 458 |
| Sample | Source Locality | Reference URL |
|---|---|---|
| FKM-72 | Schlarbaum Quarry, Klause, Bad Gleichenberg, Styria, Austria | https://www.rockptx.com/fkm-51-to-fkm-75/#FKM-72 |
All locality data graciously provided by mindat.org
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