AM-2013-10016-A · Rhodochrositearchived
physical & structuralrev. 3
| designation | Rhodochrosite |
|---|---|
| chemical formula | MnCO₃ |
| classification | Carbonate / Calcite group |
| crystal system | Trigonal |
| mohs hardness | 3.5 – 4 |
| density (g/cm³) | 3.70 |
| colour | Cherry pink |
| type locality | Broken Hill, NSW, Australia |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 286, 1087, 1717
notessubmitter remarks + registry
Photographic record retained. Routine intake; no anomalies noted.
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. |
|---|---|---|---|
| 2013-07-24 11:04 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | V.O. |
| 2013-07-29 12:42 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | P.S. |
| 2013-08-08 12:27 UTC | pass B | Raman acquisition; 3 peaks above prominence threshold instrument: Renishaw inVia (532 nm) ref. checked: AMCSD #3744 | P.S. |
| 2013-08-11 15:21 UTC | storage | re-bagged, label re-printed; placed in vault A, shelf 23, drawer 17 | V.O. |
| 2015-08-11 13:53 UTC | re-inspection | seal intact · label legible · no visible degradation | N.P. |
| 2017-08-10 15:00 UTC | re-inspection | seal intact · label legible · no visible degradation | N.P. |
| 2019-08-10 10:56 UTC | re-inspection | seal intact · label legible · no visible degradation | N.P. |
| 2021-08-09 08:21 UTC | re-inspection | seal intact · label legible · no visible degradation | N.P. |
physical location: vault A · shelf 23 · drawer 17 · last documented inspection: 2021-08-09 08:21 UTC