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 | Clay | Coronadite | None | Ramsdellite | Spinel |
Bementite (*) | Birnessite (*) | Braunite (*) | Cinnabar (*) | Cryptomelane (*) |
Hausmannite (*) | Nsutite (*) | Ranciéite (*) | Rhodochrosite (*) |
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 |
---|---|---|---|---|---|---|---|
Bementite (*) | Clay | Mn7Si6O15(OH)8 | 0 | 173 | |||
Birnessite (*) | None | (Na,Ca,K)0.6(Mn4+,Mn3+)2O4·1.5H2O | 0 | 178 | |||
Braunite (*) | Braunite | Mn2+Mn3+6O8(SiO4) | 0 | 483 | |||
Cinnabar (*) | None | HgS | 0 | 2600 | |||
Cryptomelane (*) | Coronadite | K(Mn4+7Mn3+)O16 | 0 | 599 | |||
Hausmannite (*) | Spinel | Mn2+Mn3+2O4 | 0 | 350 | |||
Nsutite (*) | Ramsdellite | Mn2+xMn4+1-xO2-2x(OH)2x | 0 | 121 | |||
Ranciéite (*) | None | (Ca,Mn2+)0.2(Mn4+,Mn3+)O2·0.6H2O | 0 | 177 | |||
Rhodochrosite (*) | Calcite | Mn(CO3) | 0 | 1711 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
All age data...
Other copyright data...