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 | None | Rhodonite | Spinel |
Bementite (*) | Braunite (*) | Chromite (*) | 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 |
---|---|---|---|---|---|---|---|
Bementite (*) | Clay | Mn7Si6O15(OH)8 | 1 | 181239 | 173 | ||
Braunite (*) | Braunite | Mn2+Mn3+6O8(SiO4) | 1 | 181239 | 483 | ||
Chromite (*) | Spinel | Fe2+Cr2O4 | 3 | 181236,181237,181238 | 3902 | ||
Rhodochrosite (*) | Calcite | Mn(CO3) | 1 | 181239 | 1711 | ||
Rhodonite (*) | Rhodonite | CaMn3Mn(Si5O15) | 1 | 181239 | 969 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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