AM-2021-10002-A · Stibnitearchived
physical & structuralrev. 2
| designation | Stibnite |
|---|---|
| chemical formula | Sb₂S₃ |
| classification | Sulfide / Stibnite group |
| crystal system | Orthorhombic |
| mohs hardness | 2 |
| density (g/cm³) | 4.62 |
| colour | Steel grey, acicular crystals |
| type locality | Itinga, Minas Gerais, Brazil |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 123, 186, 252
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. |
|---|---|---|---|
| 2021-11-01 13:26 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | T.J. |
| 2021-11-06 11:57 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | P.S. |
| 2021-11-13 13:31 UTC | pass B | Raman acquisition; 3 peaks above prominence threshold instrument: Renishaw inVia (532 nm) ref. checked: COD entry 136056 | P.S. |
| 2021-11-16 10:19 UTC | storage | re-bagged, label re-printed; placed in vault A, shelf 23, drawer 03 | T.J. |
| 2023-11-16 12:58 UTC | re-inspection | seal intact · label legible · no visible degradation | N.P. |
| 2025-11-15 09:53 UTC | re-inspection | seal intact · label legible · no visible degradation | N.P. |
physical location: vault A · shelf 23 · drawer 03 · last documented inspection: 2025-11-15 09:53 UTC