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. |
Andalusite | Clay | Corundum | Harmotome | Mica | None | Not in a structural group | Quartz | Tourmaline |
Andalusite (*) | Corundum (*) | Dravite (*) | Harmotome (*) | Muscovite (*) |
Quartz (*) | Sillimanite (*) | Stevensite (*) |
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 |
---|---|---|---|---|---|---|---|
Andalusite (*) | Andalusite | Al2SiO5 | 0 | 1310 | |||
Corundum (*) | Corundum | Al2O3 | 0 | 1797 | |||
Dravite (*) | Tourmaline | NaMg3Al6(Si6O18)(BO3)3(OH)3(OH) | 0 | 648 | |||
Harmotome (*) | Harmotome | Ba2(Si12Al4)O32·12H2O | 0 | 290 | |||
Muscovite (*) | Mica Clay | KAl2(Si3Al)O10(OH)2 | 0 | 17380 | |||
Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
Sillimanite (*) | Not in a structural group | Al2SiO5 | 0 | 1516 | |||
Stevensite (*) | Clay | (Ca,Na)xMg3-ySi4O10(OH)2 | 0 | 57 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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