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. |
Braunite | Calcite | Coronadite | Corundum | Diaspore | Garnet | None | Quartz | Rutile | Spinel |
Birnessite (*) | Braunite (*) | Calcite (*) | Coronadite (*) | Cryptomelane (*) |
Franklinite (*) | Goethite (*) | Hausmannite (*) | Hematite (*) | Manjiroite (*) |
Pyrolusite (*) | Quartz (*) | Spessartine (*) |
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 |
---|---|---|---|---|---|---|---|
Birnessite (*) | None | (Na,Ca,K)0.6(Mn4+,Mn3+)2O4·1.5H2O | 0 | 178 | |||
Braunite (*) | Braunite | Mn2+Mn3+6O8(SiO4) | 0 | 483 | |||
Calcite (*) | Calcite | Ca(CO3) | 0 | 27770 | |||
Coronadite (*) | Coronadite | Pb(Mn4+6Mn3+2)O16 | 0 | 227 | |||
Cryptomelane (*) | Coronadite | K(Mn4+7Mn3+)O16 | 0 | 599 | |||
Franklinite (*) | Spinel | ZnFe3+2O4 | 0 | 52 | |||
Goethite (*) | Diaspore | FeO(OH) | 0 | 7437 | |||
Hausmannite (*) | Spinel | Mn2+Mn3+2O4 | 0 | 350 | |||
Hematite (*) | Corundum | Fe2O3 | 0 | 14640 | |||
Manjiroite (*) | Coronadite | Na(Mn4+7Mn3+)O16 | 0 | 22 | |||
Pyrolusite (*) | Rutile | MnO2 | 0 | 3106 | |||
Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
Spessartine (*) | Garnet | Mn2+3Al2(SiO4)3 | 0 | 1214 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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