| 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. |
| Melonite | None | Rocksalt | Sphalerite | Valleriite |
| Altaite (*) | Bornite (*) | Coloradoite (*) | Hessite (*) | Melonite (*) |
| Sylvanite (*) | Valleriite (*) |
| 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 |
|---|---|---|---|---|---|---|---|
| Altaite (*) | Rocksalt | PbTe | 0 | 489 | |||
| Bornite (*) | None | Cu5FeS4 | 0 | 5516 | |||
| Coloradoite (*) | Sphalerite | HgTe | 0 | 169 | |||
| Hessite (*) | None | Ag2Te | 0 | 804 | |||
| Melonite (*) | Melonite | NiTe2 | 0 | 207 | |||
| Sylvanite (*) | Melonite | AgAuTe4 | 0 | 337 | |||
| Valleriite (*) | Valleriite | 2[(Fe,Cu)S]·1.53[(Mg,Al)(OH)2] | 0 | 237 |
All locality data graciously provided by mindat.org
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