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. |
Allophane | Alum | Alunite | Amorphous | Amphibole | Arcanite | Carnallite | Corundum | Cristobalite | Feldspar |
Gypsum | None | Not in a structural group | Olivine | Picromerite | Pyrite | Pyroxene | Quartz | Spinel | Sulphur |
Wollastonite |
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 |
---|---|---|---|---|---|---|---|
Allophane (*) | Allophane | Al2O3(SiO2)1.3-2.0·2.5-3.0H2O | 1 | 87557 | 470 | ||
Alunite (*) | None | KAl3(SO4)2(OH)6 | 2 | 87554,87558 | 966 | ||
Alunogen (*) | Not in a structural group | Al2(SO4)3(H2O)12·5H2O | 2 | 87554,87558 | 272 | ||
Ammoniojarosite (*) | Alunite | (NH4)Fe3+3(SO4)2(OH)6 | 1 | 87558 | 30 | ||
Anhydrite (*) | Not in a structural group | Ca(SO4) | 2 | 87554,87558 | 1588 | ||
Anorthite (*) | Feldspar | Ca(Al2Si2O8) | 2 | 87552,87556 | 1036 | ||
Augite (*) | Pyroxene | (Ca,Mg,Fe)2Si2O6 | 2 | 87556,87558 | 2060 | ||
Carnallite (*) | Carnallite | KMgCl3·6H2O | 1 | 87555 | 132 | ||
Corundum (*) | Corundum | Al2O3 | 1 | 87552 | 1797 | ||
Cristobalite (*) | Cristobalite | SiO2 | 2 | 87556,87558 | 453 | ||
Cummingtonite (*) | Amphibole | Mg2Mg5Si8O22(OH)2 | 1 | 87558 | 327 | ||
Diopside (*) | Pyroxene | CaMgSi2O6 | 1 | 87556 | 4135 | ||
Forsterite (*) | Olivine | Mg2(SiO4) | 1 | 87546 | 1188 | ||
Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 1 | 87558 | 6890 | ||
Hematite (*) | Corundum | Fe2O3 | 1 | 87546 | 14640 | ||
Ilmenite (*) | Corundum | Fe2+Ti4+O3 | 1 | 87556 | 5433 | ||
Koktaite (*) | None | (NH4)2Ca(SO4)2·H2O | 1 | 87558 | 12 | ||
Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 3 | 87546,87556,87558 | 14899 | ||
Mascagnite (*) | Arcanite | (NH4)2(SO4) | 1 | 87558 | 61 | ||
Mendozite (*) | None | NaAl(SO4)2·11H2O | 1 | 87558 | 28 | ||
Mohrite (*) | Picromerite | (NH4)2Fe2+(SO4)2·6H2O | 1 | 87558 | 18 | ||
Opal (*) | Amorphous | SiO2·nH2O | 2 | 87546,87558 | 2994 | ||
Pyrite (*) | Pyrite | FeS2 | 1 | 87558 | 39462 | ||
Quartz (*) | Quartz | SiO2 | 1 | 87556 | 61156 | ||
Sulphur (*) | Sulphur | S | 3 | 87546,87558,87560 | 2045 | ||
Tschermigite (*) | Alum | (NH4)Al(SO4)2·12H2O | 1 | 87558 | 81 | ||
Wollastonite (*) | Wollastonite | CaSiO3 | 1 | 87556 | 1247 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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