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. |
Allophane | Amorphous | Amphibole | Corundum | None |
Chrysocolla (*) | Cummingtonite (*) | Hematite (*) | Opal (*) |
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 |
---|---|---|---|---|---|---|---|
Chrysocolla (*) | Allophane | (Cu2-xAlx)H2-xSi2O5(OH)4·nH2O | 0 | 3531 | |||
Cummingtonite (*) | Amphibole | Mg2Mg5Si8O22(OH)2 | 0 | 327 | |||
Hematite (*) | Corundum | Fe2O3 | 0 | 14640 | |||
Opal (*) | Amorphous | SiO2·nH2O | 0 | 2994 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
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