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. |
Alunite | Amorphous | Calcite | Clay | Corundum | Cristobalite | Gypsum | Kaolinite | Mordenite | None |
Not in a structural group | Pyrite | Quartz | Smectite-vermiculite | Spinel |
Calcite (*) | Cristobalite (*) | Epistilbite (*) | Gypsum (*) | Hematite (*) |
Kaolinite (*) | Laumontite (*) | Magnetite (*) | Montmorillonite (*) | Mordenite (*) |
Natroalunite (*) | Opal (*) | Pyrite (*) | Quartz (*) |
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 |
---|---|---|---|---|---|---|---|
Calcite (*) | Calcite | Ca(CO3) | 0 | 27770 | |||
Cristobalite (*) | Cristobalite | SiO2 | 0 | 453 | |||
Epistilbite (*) | Mordenite | Ca3[Si18Al6O48]·16H2O | 0 | 138 | |||
Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 0 | 6890 | |||
Hematite (*) | Corundum | Fe2O3 | 0 | 14640 | |||
Kaolinite (*) | Clay Kaolinite | Al2Si2O5(OH)4 | 0 | 5591 | |||
Laumontite (*) | Not in a structural group | CaAl2Si4O12·4H2O | 0 | 1271 | |||
Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
Montmorillonite (*) | Clay Smectite-vermiculite | (Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O | 0 | 1508 | |||
Mordenite (*) | Mordenite | (Na2,Ca,K2)4(Al8Si40)O96·28H2O | 0 | 405 | |||
Natroalunite (*) | Alunite | NaAl3(SO4)2(OH)6 | 0 | 128 | |||
Opal (*) | Amorphous | SiO2·nH2O | 0 | 2994 | |||
Pyrite (*) | Pyrite | FeS2 | 0 | 39462 | |||
Quartz (*) | Quartz | SiO2 | 0 | 61156 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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