AM-2018-10004-A · Aragonitewithdrawn
This record has been withdrawn from active circulation. Historical metadata is retained for citation purposes only. Contact the registry before referencing this accession in new publications.
withdrawal on file: metadata insufficient for re-verification after the 2014 reorganisation (recorded 2024-10-22; classification withdrawn).
physical & structuralrev. 2
| designation | Aragonite |
|---|---|
| chemical formula | CaCO₃ |
| classification | Carbonate / Aragonite group |
| crystal system | Orthorhombic |
| mohs hardness | 3.5 – 4 |
| density (g/cm³) | 2.95 |
| colour | Slightly tarnished, colourless to pale brown |
| type locality | Boron, Kern County, California, USA |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 206, 706, 1087, 1574
notessubmitter remarks + registry
Submitter cited the type locality. Specimen retained for reference; no chain-of-custody documentation available beyond the submission packet.
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. |
|---|---|---|---|
| 2018-02-13 08:36 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | H.D. |
| 2018-02-16 12:49 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | T.J. |
| 2018-02-26 11:49 UTC | pass B | Raman acquisition; 4 peaks above prominence threshold instrument: Horiba LabRAM HR (532 nm) ref. checked: RRUFF R05008 | T.J. |
| 2018-03-01 11:44 UTC | storage | re-bagged, label re-printed; placed in vault D, shelf 23, drawer 17 | H.D. |
| 2020-02-29 08:05 UTC | re-inspection | seal intact · label legible · no visible degradation | M.A. |
| 2022-02-28 12:14 UTC | re-inspection | seal intact · label legible · no visible degradation | M.A. |
| 2024-02-28 08:45 UTC | re-inspection | seal intact · label legible · no visible degradation | M.A. |
| 2026-02-27 09:53 UTC | re-inspection | seal intact · label legible · no visible degradation | M.A. |
physical location: vault D · shelf 23 · drawer 17 · last documented inspection: 2026-02-27 09:53 UTC