AM-2020-10015-A · Cupriteactive
physical & structuralrev. 1
| designation | Cuprite |
|---|---|
| chemical formula | Cu₂O |
| classification | Oxide |
| crystal system | Cubic |
| mohs hardness | 3.5 – 4 |
| density (g/cm³) | 6.14 |
| colour | Brick red |
| type locality | Freiberg district, Saxony, Germany |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 147, 411, 631
notessubmitter remarks + registry
Submitter cited the type locality. Specimen retained for reference; no chain-of-custody documentation available beyond the submission packet.
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. |
|---|---|---|---|
| 2020-12-02 09:32 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | T.J. |
| 2020-12-05 13:43 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | V.O. |
| 2020-12-15 11:13 UTC | pass B | Raman acquisition; 3 peaks above prominence threshold instrument: Horiba LabRAM HR (532 nm) ref. checked: COD entry 130123 | V.O. |
| 2020-12-16 08:07 UTC | storage | re-bagged, label re-printed; placed in vault C, shelf 12, drawer 14 | T.J. |
| 2022-12-16 12:36 UTC | re-inspection | seal intact · label legible · no visible degradation | R.E. |
| 2024-12-15 13:29 UTC | re-inspection | seal intact · label legible · no visible degradation | R.E. |
physical location: vault C · shelf 12 · drawer 14 · last documented inspection: 2024-12-15 13:29 UTC