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 | None | Ramsdellite | Rhodonite | Rutile | Spinel |
Birnessite (*) | Braunite (*) | Hausmannite (*) | Jacobsite (*) | Nsutite (*) |
Pyrolusite (*) | Rhodochrosite (*) | Rhodonite (*) |
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 | 75269 | 178 | ||
Braunite (*) | Braunite | Mn2+Mn3+6O8(SiO4) | 2 | 75267,75268 | 483 | ||
Hausmannite (*) | Spinel | Mn2+Mn3+2O4 | 1 | 75269 | 350 | ||
Jacobsite (*) | Spinel | Mn2+Fe3+2O4 | 1 | 75269 | 172 | ||
Nsutite (*) | Ramsdellite | Mn2+xMn4+1-xO2-2x(OH)2x | 1 | 75269 | 121 | ||
Pyrolusite (*) | Rutile | MnO2 | 1 | 75268 | 3106 | ||
Rhodochrosite (*) | Calcite | Mn(CO3) | 1 | 75269 | 1711 | ||
Rhodonite (*) | Rhodonite | CaMn3Mn(Si5O15) | 2 | 75267,75269 | 969 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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