AM-2015-10004-A · Beryl, var. aquamarinearchived
physical & structuralrev. 2
| designation | Beryl, var. aquamarine |
|---|---|
| chemical formula | Be₃Al₂Si₆O₁₈ |
| classification | Cyclosilicate / Beryl group |
| crystal system | Hexagonal |
| mohs hardness | 7.5 – 8 |
| density (g/cm³) | 2.75 |
| colour | Sea blue, transparent |
| type locality | Weardale, County Durham, England |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 320, 686, 1011, 1069
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. |
|---|---|---|---|
| 2015-02-24 12:28 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | R.E. |
| 2015-02-26 16:24 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | T.J. |
| 2015-03-02 13:52 UTC | pass B | Raman acquisition; 4 peaks above prominence threshold instrument: Renishaw inVia (532 nm) ref. checked: RRUFF R05001 | T.J. |
| 2015-03-04 16:33 UTC | storage | re-bagged, label re-printed; placed in vault B, shelf 15, drawer 24 | R.E. |
| 2017-03-03 08:39 UTC | re-inspection | seal intact · label legible · no visible degradation | T.J. |
| 2019-03-03 15:47 UTC | re-inspection | seal intact · label legible · no visible degradation | T.J. |
| 2021-03-02 13:14 UTC | re-inspection | seal intact · label legible · no visible degradation | T.J. |
| 2023-03-02 16:02 UTC | re-inspection | seal intact · label legible · no visible degradation | T.J. |
physical location: vault B · shelf 15 · drawer 24 · last documented inspection: 2023-03-02 16:02 UTC