AM-2021-10009-A · Cinnabarwithdrawn
This record has been withdrawn from active circulation. Historical metadata is retained for citation purposes only. Contact the registry before referencing this accession in new publications.
physical & structuralrev. 4
| designation | Cinnabar |
|---|---|
| chemical formula | HgS |
| classification | Sulfide |
| crystal system | Trigonal |
| mohs hardness | 2 – 2.5 |
| density (g/cm³) | 8.09 |
| colour | Cochineal red, adamantine |
| type locality | Bancroft, Ontario, Canada |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 251, 282, 341
notessubmitter remarks + registry
Crystals up to 14 mm on edge, with euhedral faces. No accompanying matrix.
chain of custody6 events · 3 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. |
|---|---|---|---|
| 2021-03-31 08:02 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | C.B. |
| 2021-04-03 16:34 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | N.P. |
| 2021-04-10 14:24 UTC | pass B | Raman acquisition; 3 peaks above prominence threshold instrument: Renishaw inVia (532 nm) ref. checked: RRUFF R05006 | N.P. |
| 2021-04-11 13:53 UTC | storage | re-bagged, label re-printed; placed in vault A, shelf 25, drawer 32 | C.B. |
| 2023-04-11 13:38 UTC | re-inspection | seal intact · label legible · no visible degradation | S.W. |
| 2025-04-10 09:56 UTC | re-inspection | seal intact · label legible · no visible degradation | S.W. |
physical location: vault A · shelf 25 · drawer 32 · last documented inspection: 2025-04-10 09:56 UTC