AM-2026-10001-A · Rutilepending
The classification below is preliminary. Spectroscopic confirmation is incomplete; values shown reflect the most recent analytical pass and may be revised without notice.
physical & structuralrev. 2
| designation | Rutile |
|---|---|
| chemical formula | TiO₂ |
| classification | Oxide / Rutile group |
| crystal system | Tetragonal |
| mohs hardness | 6 – 6.5 |
| density (g/cm³) | 4.21 |
| colour | Reddish brown, adamantine |
| type locality | Inder, Atyrau, Kazakhstan |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 144, 235, 447, 611
notessubmitter remarks + registry
Submitter cited the type locality. Specimen retained for reference; no chain-of-custody documentation available beyond the submission packet.
chain of custody4 events · 1 seal-break
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. |
|---|---|---|---|
| 2026-04-19 08:15 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | L.K. |
| 2026-04-22 11:44 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | V.O. |
| 2026-04-24 11:48 UTC | pass B | Raman acquisition; 4 peaks above prominence threshold instrument: Horiba LabRAM HR (532 nm) ref. checked: RRUFF R05008 | V.O. |
| 2026-04-26 08:09 UTC | storage | re-bagged, label re-printed; placed in vault D, shelf 21, drawer 19 | L.K. |
physical location: vault D · shelf 21 · drawer 19 · last documented inspection: 2026-04-26 08:09 UTC