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. |
Diaspore | None | Quartz | Sapphirine |
Birnessite (*) | Goethite (*) | Quartz (*) | Serendibite (*) |
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 | |||
Goethite (*) | Diaspore | FeO(OH) | 0 | 7437 | |||
Quartz (*) | Quartz | SiO2 | 1 | 248913 | 61156 | ||
Serendibite (*) | Sapphirine | Ca4[Mg6Al6]O4[Si6B3Al3O36] | 0 | 19 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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