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. |
Alum | Alunite | Copiapite | Gypsum | Halotrichite | None | Tamarugite |
Copiapite (*) | Gypsum (*) | Jarosite (*) | Pickeringite (*) | Tamarugite (*) |
Tschermigite (*) |
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 |
---|---|---|---|---|---|---|---|
Copiapite (*) | Copiapite | Fe2+Fe3+4(SO4)6(OH)2·20H2O | 0 | 382 | |||
Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 0 | 6890 | |||
Jarosite (*) | Alunite | KFe3+3(SO4)2(OH)6 | 0 | 2228 | |||
Pickeringite (*) | Halotrichite | MgAl2(SO4)4·22H2O | 0 | 265 | |||
Tamarugite (*) | Tamarugite | NaAl(SO4)2·6H2O | 0 | 87 | |||
Tschermigite (*) | Alum | (NH4)Al(SO4)2·12H2O | 0 | 81 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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