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. |
Diaspore | Lipscombite | None | Phosphosiderite | Rockbridgeite |
Goethite (*) | Kidwellite (*) | Lipscombite (*) | Phosphosiderite (*) | Rockbridgeite (*) |
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 |
---|---|---|---|---|---|---|---|
Goethite (*) | Diaspore | FeO(OH) | 0 | 7437 | |||
Kidwellite (*) | None | NaFe3+9+x(PO4)6(OH)11·3H2O (x ≈ 0.33) | 0 | 53 | |||
Lipscombite (*) | Lipscombite | Fe2+Fe3+2(PO4)2(OH)2 | 0 | 47 | |||
Phosphosiderite (*) | Phosphosiderite | Fe3+(PO4)·2H2O | 0 | 182 | |||
Rockbridgeite (*) | Rockbridgeite | (Fe2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)5 | 0 | 206 |
Sample | Source Locality | Reference URL |
---|---|---|
R070590 | Fodderstack Mountain, Norman, Montgomery Co., Arkansas, USA | https://rruff.info/R070590 |
All locality data graciously provided by mindat.org
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