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. |
Amphibole | None |
Hastingsite (*) | Potassic-magnesio-hastingsite (*) |
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 |
---|---|---|---|---|---|---|---|
Hastingsite (*) | Amphibole | NaCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)2 | 1 | 101639 | 209 | ||
Potassic-magnesio-hastingsite (*) | Amphibole | KCa2(Mg4Fe3+)(Si6Al2)O22(OH)2 | 1 | 101639 | 5 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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