AM-2016-10012-A · Cinnabararchived
physical & structuralrev. 2
| designation | Cinnabar |
|---|---|
| chemical formula | HgS |
| classification | Sulfide |
| crystal system | Trigonal |
| mohs hardness | 2 – 2.5 |
| density (g/cm³) | 8.17 |
| colour | Pale brownish red, dull |
| type locality | Andriamena, Betsiboka, Madagascar |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 253, 281, 343
notessubmitter remarks + registry
Standard cinnabar reference specimen. Supplied as a single piece on a small fragment of host matrix.
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. |
|---|---|---|---|
| 2016-12-29 13:34 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | P.S. |
| 2017-01-02 08:29 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | H.D. |
| 2017-01-04 11:01 UTC | pass B | Raman acquisition; 3 peaks above prominence threshold instrument: Renishaw inVia (785 nm) ref. checked: COD entry 180115 | H.D. |
| 2017-01-07 13:08 UTC | storage | re-bagged, label re-printed; placed in vault B, shelf 25, drawer 23 | P.S. |
| 2019-01-07 08:27 UTC | re-inspection | seal intact · label legible · no visible degradation | P.S. |
| 2021-01-06 16:51 UTC | re-inspection | seal intact · label legible · no visible degradation | P.S. |
| 2023-01-06 13:50 UTC | re-inspection | seal intact · label legible · no visible degradation | P.S. |
| 2025-01-05 16:53 UTC | re-inspection | seal intact · label legible · no visible degradation | P.S. |
physical location: vault B · shelf 25 · drawer 23 · last documented inspection: 2025-01-05 16:53 UTC