AM-2012-10012-A · Aragonitearchived
physical & structuralrev. 3
| designation | Aragonite |
|---|---|
| chemical formula | CaCO₃ |
| classification | Carbonate / Aragonite group |
| crystal system | Orthorhombic |
| mohs hardness | 3.5 – 4 |
| density (g/cm³) | 2.94 |
| colour | Faintly green |
| type locality | Carrock mine, Cumbria, England |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 151, 208, 705, 1086, 1572
notessubmitter remarks + registry
Donated as part of a decommissioned teaching collection; 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. |
|---|---|---|---|
| 2012-09-16 12:57 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | H.D. |
| 2012-09-19 16:02 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | M.A. |
| 2012-09-29 08:29 UTC | pass B | Raman acquisition; 5 peaks above prominence threshold instrument: Horiba LabRAM HR (532 nm) ref. checked: RRUFF R05001 | M.A. |
| 2012-09-30 10:47 UTC | storage | re-bagged, label re-printed; placed in vault B, shelf 08, drawer 36 | H.D. |
| 2014-09-30 08:38 UTC | re-inspection | seal intact · label legible · no visible degradation | L.K. |
| 2016-09-29 11:05 UTC | re-inspection | seal intact · label legible · no visible degradation | L.K. |
| 2018-09-29 12:11 UTC | re-inspection | seal intact · label legible · no visible degradation | L.K. |
| 2020-09-28 08:30 UTC | re-inspection | seal intact · label legible · no visible degradation | L.K. |
physical location: vault B · shelf 08 · drawer 36 · last documented inspection: 2020-09-28 08:30 UTC