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. |
Calcite | Coronadite | Heulandite | None | Rutile |
Birnessite (*) | Calcite (*) | Clinoptilolite-Ca (*) | Cryptomelane (*) | Dolomite (*) |
Hollandite (*) | Manganite (*) | Romanèchite (*) | 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 | 0 | 178 | |||
Calcite (*) | Calcite | Ca(CO3) | 0 | 27770 | |||
Clinoptilolite-Ca (*) | Heulandite | Ca3(Si30Al6)O72·20H2O | 0 | 33 | |||
Cryptomelane (*) | Coronadite | K(Mn4+7Mn3+)O16 | 0 | 599 | |||
Dolomite (*) | None | CaMg(CO3)2 | 0 | 9895 | |||
Hollandite (*) | Coronadite | Ba(Mn4+6Mn3+2)O16 | 0 | 243 | |||
Manganite (*) | Rutile | Mn3+O(OH) | 0 | 770 | |||
Romanèchite (*) | None | (Ba,H2O)2(Mn4+,Mn3+)5O10 | 0 | 312 | |||
Todorokite (*) | None | (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O | 0 | 433 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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