AM-2016-10024-A · Cupritearchived
physical & structuralrev. 3
| designation | Cuprite |
|---|---|
| chemical formula | Cu₂O |
| classification | Oxide |
| crystal system | Cubic |
| mohs hardness | 3.5 – 4 |
| density (g/cm³) | 6.12 |
| colour | Dark red, submetallic |
| type locality | Lascari, Sicily, Italy |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 149, 217, 413, 634
notessubmitter remarks + registry
Specimen accompanied by a single typewritten card listing the locality and the year of collection. Original collection number illegible due to ink fade.
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. |
|---|---|---|---|
| 2016-03-09 12:22 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | P.S. |
| 2016-03-11 10:54 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | T.J. |
| 2016-03-23 09:13 UTC | pass B | Raman acquisition; 4 peaks above prominence threshold instrument: Horiba LabRAM HR (532 nm) ref. checked: RRUFF R05001 | T.J. |
| 2016-03-24 09:44 UTC | storage | re-bagged, label re-printed; placed in vault D, shelf 06, drawer 09 | P.S. |
| 2018-03-24 13:10 UTC | re-inspection | seal intact · label legible · no visible degradation | T.J. |
| 2020-03-23 08:47 UTC | re-inspection | seal intact · label legible · no visible degradation | T.J. |
| 2022-03-23 16:55 UTC | re-inspection | seal intact · label legible · no visible degradation | T.J. |
| 2024-03-22 12:50 UTC | re-inspection | seal intact · label legible · no visible degradation | T.J. |
physical location: vault D · shelf 06 · drawer 09 · last documented inspection: 2024-03-22 12:50 UTC