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. |
Corundum | None | Not in a structural group | Quartz | Sapphirine | Spinel |
Corundum (*) | Magnetite (*) | Quartz (*) | Sapphirine (*) | Sillimanite (*) |
Spinel (*) |
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 |
---|---|---|---|---|---|---|---|
Corundum (*) | Corundum | Al2O3 | 0 | 1797 | |||
Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 0 | 14899 | |||
Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
Sapphirine (*) | Sapphirine | Mg4(Mg3Al9)O4[Si3Al9O36] | 0 | 129 | |||
Sillimanite (*) | Not in a structural group | Al2SiO5 | 0 | 1516 | |||
Spinel (*) | Spinel | MgAl2O4 | 0 | 1934 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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