AM-2022-10007-A · Cinnabararchived
physical & structuralrev. 4
| designation | Cinnabar |
|---|---|
| chemical formula | HgS |
| classification | Sulfide |
| crystal system | Trigonal |
| mohs hardness | 2 – 2.5 |
| density (g/cm³) | 8.09 |
| colour | Brownish red, dull |
| type locality | Nanping, Fujian, China |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 252, 280, 343
notessubmitter remarks + registry
Standard cinnabar reference specimen. Supplied as a single piece on a small fragment of host matrix.
chain of custody6 events · 4 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. |
|---|---|---|---|
| 2022-01-18 13:55 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | M.A. |
| 2022-01-23 12:52 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | H.D. |
| 2022-01-28 16:06 UTC | pass B | Raman acquisition; 3 peaks above prominence threshold instrument: Horiba LabRAM HR (532 nm) ref. checked: ICDD card 04-6133 | H.D. |
| 2022-01-29 12:21 UTC | storage | re-bagged, label re-printed; placed in vault A, shelf 01, drawer 29 | M.A. |
| 2024-01-29 10:26 UTC | re-inspection | seal intact · label legible · no visible degradation | S.W. |
| 2026-01-28 13:30 UTC | re-inspection | seal intact · label legible · no visible degradation | S.W. |
physical location: vault A · shelf 01 · drawer 29 · last documented inspection: 2026-01-28 13:30 UTC