AM-2016-10017-A · Pyromorphiteactive
physical & structuralrev. 2
| designation | Pyromorphite |
|---|---|
| chemical formula | Pb₅(PO₄)₃Cl |
| classification | Phosphate / Apatite supergroup |
| crystal system | Hexagonal |
| mohs hardness | 3.5 – 4 |
| density (g/cm³) | 7.03 |
| colour | Yellow-green, barrel-shaped |
| type locality | Chuquicamata, Antofagasta, Chile |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 407, 922, 1044
notessubmitter remarks + registry
Photographic record retained. Single-pass examination only; no follow-up planned.
chain of custody8 events · 6 seal-breaks
Events recorded against this accession in the registry's printed custody book. Operator initials are anonymous. Storage codes follow the convention vault-shelf-drawer.
| timestamp | stage | detail | op. |
|---|---|---|---|
| 2016-02-19 14:50 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | T.J. |
| 2016-02-24 10:26 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | H.D. |
| 2016-03-09 14:55 UTC | pass B | Raman acquisition; 3 peaks above prominence threshold instrument: Renishaw inVia (532 nm) ref. checked: COD entry 194565 | H.D. |
| 2016-03-10 15:55 UTC | storage | re-bagged, label re-printed; placed in vault A, shelf 09, drawer 20 | T.J. |
| 2018-03-10 11:20 UTC | re-inspection | seal intact · label legible · no visible degradation | H.D. |
| 2020-03-09 08:19 UTC | re-inspection | seal intact · label legible · no visible degradation | H.D. |
| 2022-03-09 13:45 UTC | re-inspection | seal intact · label legible · no visible degradation | H.D. |
| 2024-03-08 12:01 UTC | re-inspection | seal intact · label legible · no visible degradation | H.D. |
physical location: vault A · shelf 09 · drawer 20 · last documented inspection: 2024-03-08 12:01 UTC