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 | Baryte | Braunite | Clay | Coronadite | Diaspore | Malachite | Mica | None |
Not in a structural group | Quartz | Rutile | Sepiolite | Smectite-vermiculite |
Azurite (*) | Baryte (*) | Braunite (*) | Celadonite (*) | Chrysocolla (*) |
Cryptomelane (*) | Goethite (*) | Hollandite (*) | Malachite (*) | Montmorillonite (*) |
Opal (*) | Pyrolusite (*) | Quartz (*) | Sepiolite (*) | Todorokite (*) |
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 |
---|---|---|---|---|---|---|---|
Azurite (*) | Not in a structural group | Cu3(CO3)2(OH)2 | 0 | 5509 | |||
Baryte (*) | Baryte | Ba(SO4) | 0 | 11547 | |||
Braunite (*) | Braunite | Mn2+Mn3+6O8(SiO4) | 0 | 483 | |||
Celadonite (*) | Mica Clay | KMgFe3+Si4O10(OH)2 | 0 | 309 | |||
Chrysocolla (*) | Allophane | (Cu2-xAlx)H2-xSi2O5(OH)4·nH2O | 0 | 3531 | |||
Cryptomelane (*) | Coronadite | K(Mn4+7Mn3+)O16 | 0 | 599 | |||
Goethite (*) | Diaspore | FeO(OH) | 0 | 7437 | |||
Hollandite (*) | Coronadite | Ba(Mn4+6Mn3+2)O16 | 0 | 243 | |||
Malachite (*) | Malachite | Cu2(CO3)(OH)2 | 0 | 12537 | |||
Montmorillonite (*) | Clay Smectite-vermiculite | (Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O | 0 | 1508 | |||
Opal (*) | Amorphous | SiO2·nH2O | 0 | 2994 | |||
Pyrolusite (*) | Rutile | MnO2 | 0 | 3106 | |||
Quartz (*) | Quartz | SiO2 | 0 | 61156 | |||
Sepiolite (*) | Sepiolite Clay | Mg4Si6O15(OH)2·6H2O | 0 | 241 | |||
Todorokite (*) | None | (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O | 0 | 433 |
Sample | Source Locality | Reference URL |
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All locality data graciously provided by mindat.org
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