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. |
Gypsum | None | Not in a structural group | Spinel |
Anhydrite (*) | Gypsum (*) | Magnetite (*) |
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 |
---|---|---|---|---|---|---|---|
Anhydrite (*) | Not in a structural group | Ca(SO4) | 1 | 73071 | 1588 | ||
Gypsum (*) | Gypsum | Ca(SO4)·2H2O | 1 | 73071 | 6890 | ||
Magnetite (*) | Spinel | Fe2+Fe3+2O4 | 1 | 73071 | 14899 |
Sample | Source Locality | Reference URL |
---|---|---|
X050099 | Pomaia, Marmolaio Valley, Castellina Marittima, Pisa Province, Tuscany, Italy | https://rruff.info/X050099 |
All locality data graciously provided by mindat.org
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