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. |
Alunite | Amphibole | Clay | Gypsum | None | Quartz | Rutile | Talc |
Actinolite (*) | Churchite-(Y) (*) | Florencite-(Nd) (*) | Lithiophorite (*) | Pyrolusite (*) |
Quartz (*) | Talc (*) | 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 |
---|---|---|---|---|---|---|---|
Actinolite (*) | Amphibole | Ca2(Mg4.5-2.5Fe2+0.5-2.5)Si8O22(OH)2 | 1 | 162509 | 3419 | ||
Churchite-(Y) (*) | Gypsum | Y(PO4)·2H2O | 1 | 162512 | 70 | ||
Florencite-(Nd) (*) | Alunite | NdAl3(PO4)2(OH)6 | 1 | 162512 | 6 | ||
Lithiophorite (*) | None | (Al,Li)(Mn4+,Mn3+)O2(OH)2 | 1 | 162512 | 210 | ||
Pyrolusite (*) | Rutile | MnO2 | 1 | 162514 | 3106 | ||
Quartz (*) | Quartz | SiO2 | 1 | 162513 | 61156 | ||
Talc (*) | Clay Talc | Mg3Si4O10(OH)2 | 1 | 162509 | 3337 | ||
Todorokite (*) | None | (Na,Ca,K,Ba,Sr)1-x(Mn,Mg,Al)6O12·3-4H2O | 1 | 162512 | 433 |
Sample | Source Locality | Reference URL |
---|---|---|
R070083 | Sausalito Road Quarry, Sausalito, Marin Co., California, USA | https://rruff.info/R070083 |
All locality data graciously provided by mindat.org
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