AM-2018-10015-A · Azuritearchived
physical & structuralrev. 2
| designation | Azurite |
|---|---|
| chemical formula | Cu₃(CO₃)₂(OH)₂ |
| classification | Carbonate / hydrous |
| crystal system | Monoclinic |
| mohs hardness | 3.5 – 4 |
| density (g/cm³) | 3.78 |
| colour | Deep azure blue |
| type locality | Freiberg district, Saxony, Germany |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 246, 546, 768, 838, 1099, 1433
notessubmitter remarks + registry
Photographic record retained. Routine intake; no anomalies noted.
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. |
|---|---|---|---|
| 2018-03-22 09:42 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | S.W. |
| 2018-03-24 08:19 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | L.K. |
| 2018-03-26 11:09 UTC | pass B | Raman acquisition; 6 peaks above prominence threshold instrument: Renishaw inVia (785 nm) ref. checked: ICDD card 04-6860 | L.K. |
| 2018-03-27 16:54 UTC | storage | re-bagged, label re-printed; placed in vault B, shelf 09, drawer 16 | S.W. |
| 2020-03-26 08:00 UTC | re-inspection | seal intact · label legible · no visible degradation | V.O. |
| 2022-03-26 09:26 UTC | re-inspection | seal intact · label legible · no visible degradation | V.O. |
| 2024-03-25 16:47 UTC | re-inspection | seal intact · label legible · no visible degradation | V.O. |
| 2026-03-25 14:07 UTC | re-inspection | seal intact · label legible · no visible degradation | V.O. |
physical location: vault B · shelf 09 · drawer 16 · last documented inspection: 2026-03-25 14:07 UTC