| 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. |
| 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 |
|---|---|---|---|---|---|---|---|
| Adranosite (*) | Adranosite | (NH4)4NaAl2(SO4)4Cl(OH)2 | 1 | 68714 | 4 | ||
| Adranosite-(Fe) (*) | Adranosite | (NH4)4NaFe2(SO4)4Cl(OH)2 | 1 | 68714 | 6 | ||
| Alacránite (*) | Not in a structural group | As8S9 | 1 | 68714 | 18 | ||
| Alum-(K) (*) | Alum | KAl(SO4)2·12H2O | 0 | 92 | |||
| Alunite (*) | None | KAl3(SO4)2(OH)6 | 1 | 68714 | 966 | ||
| Alunogen (*) | Not in a structural group | Al2(SO4)3(H2O)12·5H2O | 1 | 68714 | 272 | ||
| Arsenopyrite (*) | Arsenopyrite | FeAsS | 0 | 9052 | |||
| Baryte (*) | Baryte | Ba(SO4) | 0 | 11547 | |||
| Blödite (*) | Blödite | Na2Mg(SO4)2·4H2O | 0 | 130 | |||
| Coquimbite (*) | Coquimbite | AlFe3(SO4)6(H2O)12·6H2O | 0 | 136 | |||
| Dimorphite (*) | None | As4S3 | 1 | 68714 | 5 | ||
| Efremovite (*) | Langbeinite | (NH4)2Mg2(SO4)3 | 1 | 68714 | 13 | ||
| Epsomite (*) | Epsomite | Mg(SO4)·7H2O | 0 | 484 | |||
| Godovikovite (*) | Sabieite | (NH4)Al(SO4)2 | 1 | 68714 | 19 | ||
| Goldichite (*) | None | KFe3+(SO4)2·4H2O | 0 | 12 | |||
| Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 1 | 68714 | 6890 | ||
| Halotrichite (*) | Halotrichite | Fe2+Al2(SO4)4·22H2O | 1 | 68714 | 409 | ||
| Huizingite-(Al) (*) | Not in a structural group | (NH4)9Al3(SO4)8(OH)2·4H2O | 1 | 68714 | 2 | ||
| Halloysite-10Å (*) | Clay Kaolinite | Al2Si2O5(OH)4·2H2O | 1 | 68714 | 62 | ||
| Jarosite (*) | Alunite | KFe3+3(SO4)2(OH)6 | 0 | 2228 | |||
| Kalinite (*) | None | KAl(SO4)2·11H2O | 0 | 54 | |||
| Kaolinite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 0 | 5591 | |||
| Krausite (*) | None | KFe3+(SO4)2·H2O | 0 | 21 | |||
| Leucite (*) | Analcime | K(AlSi2O6) | 0 | 233 | |||
| Lucabindiite (*) | Lucabindiite | (K,NH4)As4O6(Cl,Br) | 1 | 68714 | 4 | ||
| Mascagnite (*) | Arcanite | (NH4)2(SO4) | 1 | 68714 | 61 | ||
| Metavoltine (*) | Metavoltine | K2Na6Fe2+Fe3+6O2(SO4)12·18H2O | 0 | 78 | |||
| Mirabilite (*) | None | Na2(SO4)·10H2O | 0 | 223 | |||
| Natrolite (*) | Natrolite | Na2(Si3Al2)O10·2H2O | 0 | 1236 | |||
| Opal (*) | Amorphous | SiO2·nH2O | 1 | 68714 | 2994 | ||
| Pararealgar (*) | None | As4S4 | 1 | 68714 | 57 | ||
| Pickeringite (*) | Halotrichite | MgAl2(SO4)4·22H2O | 0 | 265 | |||
| Pyrite (*) | Pyrite | FeS2 | 0 | 39462 | |||
| Realgar (*) | None | AsS | 1 | 68714 | 712 | ||
| Russoite (*) | None | (NH4)ClAs2O3(H2O)0.5 | 1 | 68714 | 1 | ||
| Rutile (*) | Rutile | TiO2 | 0 | 5614 | |||
| Salammoniac (*) | None | (NH4)Cl | 1 | 68714 | 105 | ||
| Sanidine (*) | Feldspar | K(AlSi3O8) | 0 | 598 | |||
| Sassolite (*) | None | B(OH)3 | 1 | 68714 | 31 | ||
| Sulphur (*) | Sulphur | S | 1 | 68714 | 2045 | ||
| Tamarugite (*) | Tamarugite | NaAl(SO4)2·6H2O | 1 | 68714 | 87 | ||
| Thénardite (*) | None | Na2(SO4) | 0 | 299 | |||
| Trona (*) | None | Na3(HCO3)(CO3)·2H2O | 0 | 129 | |||
| Tschermigite (*) | Alum | (NH4)Al(SO4)2·12H2O | 1 | 68714 | 81 | ||
| Voltaite (*) | Voltaite | K2Fe2+5Fe3+3Al(SO4)12·18H2O | 0 | 111 | |||
| Yavapaiite (*) | None | KFe3+(SO4)2 | 0 | 8 |
| Sample | Source Locality | Reference URL |
|---|---|---|
| R140323 | Solfatara Di Pozzuoli, Pozzuoli, Phlegrean Fields, Naples, Campania, Italy | https://rruff.info/R140323 |
| R150030 | Solfatara Di Pozzuoli, Pozzuoli, Phlegrean Fields, Naples, Campania, Italy | https://rruff.info/R150030 |
All locality data graciously provided by mindat.org
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