AM-2017-00247-B · Pyromorphitearchived
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) | 7.04 |
| colour | Bright green, hexagonal prisms |
| type locality | Daoping mine, Guangxi, China |
raman spectroscopy532 nm · pass B
reported peaks (cm⁻¹): 407, 920, 1042
notessubmitter remarks + registry
Saturated colour; barrel-shaped terminations.
chain of custody8 events · 5 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. |
|---|---|---|---|
| 2017-02-04 08:20 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | L.K. |
| 2017-02-09 16:47 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | V.O. |
| 2017-02-11 10:31 UTC | pass B | Raman acquisition; 3 peaks above prominence threshold instrument: Horiba LabRAM HR (532 nm) ref. checked: COD entry 174767 | V.O. |
| 2017-02-14 08:54 UTC | storage | re-bagged, label re-printed; placed in vault D, shelf 03, drawer 35 | L.K. |
| 2019-02-14 11:44 UTC | re-inspection | seal intact · label legible · no visible degradation | S.W. |
| 2021-02-13 14:09 UTC | re-inspection | seal intact · label legible · no visible degradation | S.W. |
| 2023-02-13 13:07 UTC | re-inspection | seal intact · label legible · no visible degradation | S.W. |
| 2025-02-12 08:56 UTC | re-inspection | seal intact · label legible · no visible degradation | S.W. |
physical location: vault D · shelf 03 · drawer 35 · last documented inspection: 2025-02-12 08:56 UTC