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. |
Coronadite | Corundum | Diaspore | None |
Birnessite (*) | Cryptomelane (*) | Goethite (*) | Hematite (*) | Lithiophorite (*) |
Todorokite (*) |
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 | 109463 | 178 | ||
Cryptomelane (*) | Coronadite | K(Mn4+7Mn3+)O16 | 1 | 109463 | 599 | ||
Goethite (*) | Diaspore | FeO(OH) | 1 | 109463 | 7437 | ||
Hematite (*) | Corundum | Fe2O3 | 1 | 109463 | 14640 | ||
Lithiophorite (*) | None | (Al,Li)(Mn4+,Mn3+)O2(OH)2 | 1 | 109463 | 210 | ||
Todorokite (*) | None | (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O | 1 | 109463 | 433 |
Sample | Source Locality | Reference URL |
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All locality data graciously provided by mindat.org
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