AM-2015-10005-A · Stibniteactive
physical & structuralrev. 2
| designation | Stibnite |
|---|---|
| chemical formula | Sb₂S₃ |
| classification | Sulfide / Stibnite group |
| crystal system | Orthorhombic |
| mohs hardness | 2 |
| density (g/cm³) | 4.64 |
| colour | Lead grey, metallic |
| type locality | Ratnapura, Sabaragamuwa, Sri Lanka |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 124, 187, 254, 311
notessubmitter remarks + registry
Donated as part of a regional mineralogy survey; no individual provenance retained.
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. |
|---|---|---|---|
| 2015-04-30 15:15 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | R.E. |
| 2015-05-03 16:52 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | H.D. |
| 2015-05-11 12:57 UTC | pass B | Raman acquisition; 4 peaks above prominence threshold instrument: Renishaw inVia (532 nm) ref. checked: AMCSD #8229 | H.D. |
| 2015-05-13 10:22 UTC | storage | re-bagged, label re-printed; placed in vault D, shelf 27, drawer 01 | R.E. |
| 2017-05-12 12:27 UTC | re-inspection | seal intact · label legible · no visible degradation | H.D. |
| 2019-05-12 12:54 UTC | re-inspection | seal intact · label legible · no visible degradation | H.D. |
| 2021-05-11 13:38 UTC | re-inspection | seal intact · label legible · no visible degradation | H.D. |
| 2023-05-11 16:35 UTC | re-inspection | seal intact · label legible · no visible degradation | H.D. |
physical location: vault D · shelf 27 · drawer 01 · last documented inspection: 2023-05-11 16:35 UTC