AM-2012-10007-A · Stibnitearchived
physical & structuralrev. 2
| designation | Stibnite |
|---|---|
| chemical formula | Sb₂S₃ |
| classification | Sulfide / Stibnite group |
| crystal system | Orthorhombic |
| mohs hardness | 2 |
| density (g/cm³) | 4.63 |
| colour | Steel grey, acicular crystals |
| type locality | Ouro Preto, Minas Gerais, Brazil |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 126, 187, 255, 312
notessubmitter remarks + registry
Photographic record retained. Single-pass examination only; no follow-up planned.
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. |
|---|---|---|---|
| 2012-09-11 11:52 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | H.D. |
| 2012-09-12 11:09 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | N.P. |
| 2012-09-17 15:30 UTC | pass B | Raman acquisition; 4 peaks above prominence threshold instrument: Renishaw inVia (532 nm) ref. checked: COD entry 129288 | N.P. |
| 2012-09-20 15:03 UTC | storage | re-bagged, label re-printed; placed in vault B, shelf 20, drawer 26 | H.D. |
| 2014-09-20 16:21 UTC | re-inspection | seal intact · label legible · no visible degradation | C.B. |
| 2016-09-19 14:36 UTC | re-inspection | seal intact · label legible · no visible degradation | C.B. |
| 2018-09-19 10:45 UTC | re-inspection | seal intact · label legible · no visible degradation | C.B. |
| 2020-09-18 09:48 UTC | re-inspection | seal intact · label legible · no visible degradation | C.B. |
physical location: vault B · shelf 20 · drawer 26 · last documented inspection: 2020-09-18 09:48 UTC