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. |
Heulandite | None | Not in a structural group | Prehnite | Quartz |
Heulandite-Ca (*) | Heulandite-K (*) | Laumontite (*) | Prehnite (*) | Quartz (*) |
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 |
---|---|---|---|---|---|---|---|
Heulandite-Ca (*) | Heulandite | (Ca,Na,K)5(Si27Al9)O72·26H2O | 0 | 246 | |||
Heulandite-K (*) | Heulandite | (K,Ca,Na)5(Si27Al9)O72·26H2O | 0 | 32 | |||
Laumontite (*) | Not in a structural group | CaAl2Si4O12·4H2O | 0 | 1271 | |||
Prehnite (*) | Prehnite | Ca2Al(Si3Al)O10(OH)2 | 0 | 1898 | |||
Quartz (*) | Quartz | SiO2 | 0 | 61156 |
Sample | Source Locality | Reference URL |
---|---|---|
All locality data graciously provided by mindat.org
All age data...
Other copyright data...