AM-2011-10012-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 | Mogok, Mandalay, Myanmar |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 182, 286, 723, 1086, 1718
notessubmitter remarks + registry
Specimen accompanied by a single typewritten card listing the locality and the year of collection. No analytical data was supplied.
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. |
|---|---|---|---|
| 2011-07-02 09:51 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | L.K. |
| 2011-07-04 08:49 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | V.O. |
| 2011-07-06 10:47 UTC | pass B | Raman acquisition; 5 peaks above prominence threshold instrument: Horiba LabRAM HR (532 nm) ref. checked: ICDD card 04-7497 | V.O. |
| 2011-07-08 09:15 UTC | storage | re-bagged, label re-printed; placed in vault A, shelf 05, drawer 05 | L.K. |
| 2013-07-07 11:13 UTC | re-inspection | seal intact · label legible · no visible degradation | T.J. |
| 2015-07-07 16:24 UTC | re-inspection | seal intact · label legible · no visible degradation | T.J. |
| 2017-07-06 14:13 UTC | re-inspection | seal intact · label legible · no visible degradation | T.J. |
| 2019-07-06 10:57 UTC | re-inspection | seal intact · label legible · no visible degradation | T.J. |
physical location: vault A · shelf 05 · drawer 05 · last documented inspection: 2019-07-06 10:57 UTC