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. |
Diaspore | Feroxyhyte | None |
Birnessite (*) | Feroxyhyte (*) | Goethite (*) | Todorokite (*) | Variscite (*) |
Vernadite (*) |
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 | 1 | 95192 | 178 | ||
Feroxyhyte (*) | Feroxyhyte | Fe3+O(OH) | 1 | 95192 | 19 | ||
Goethite (*) | Diaspore | FeO(OH) | 1 | 95192 | 7437 | ||
Todorokite (*) | None | (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O | 1 | 95192 | 433 | ||
Variscite (*) | None | Al(PO4)·2H2O | 0 | 301 | |||
Vernadite (*) | None | (Mn,Fe,Ca,Na)(O,OH)2·nH2O | 1 | 95192 | 65 |
Sample | Source Locality | Reference URL |
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All locality data graciously provided by mindat.org
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