AM-2023-10010-A · Rutilearchived
physical & structuralrev. 4
| designation | Rutile |
|---|---|
| chemical formula | TiO₂ |
| classification | Oxide / Rutile group |
| crystal system | Tetragonal |
| mohs hardness | 6 – 6.5 |
| density (g/cm³) | 4.20 |
| colour | Reddish brown, adamantine |
| type locality | Imider mine, Drâa-Tafilalet, Morocco |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 143, 236, 447, 612
notessubmitter remarks + registry
Specimen accompanied by a single typewritten card listing the locality and the year of collection. No analytical data was supplied.
chain of custody5 events · 2 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. |
|---|---|---|---|
| 2023-05-26 11:49 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | L.K. |
| 2023-05-31 11:40 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | M.A. |
| 2023-06-05 15:10 UTC | pass B | Raman acquisition; 4 peaks above prominence threshold instrument: Horiba LabRAM HR (532 nm) ref. checked: ICDD card 04-2948 | M.A. |
| 2023-06-06 10:11 UTC | storage | re-bagged, label re-printed; placed in vault C, shelf 05, drawer 03 | L.K. |
| 2025-06-05 13:44 UTC | re-inspection | seal intact · label legible · no visible degradation | C.B. |
physical location: vault C · shelf 05 · drawer 03 · last documented inspection: 2025-06-05 13:44 UTC