AM-2022-10008-A · Beryl, var. aquamarineactive
physical & structuralrev. 4
| designation | Beryl, var. aquamarine |
|---|---|
| chemical formula | Be₃Al₂Si₆O₁₈ |
| classification | Cyclosilicate / Beryl group |
| crystal system | Hexagonal |
| mohs hardness | 7.5 – 8 |
| density (g/cm³) | 2.73 |
| colour | Sea blue, transparent |
| type locality | Cínovec, Krušné hory, Czech Republic |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 322, 687, 1012, 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 custody5 events · 2 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. |
|---|---|---|---|
| 2022-10-03 09:52 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | S.W. |
| 2022-10-07 16:07 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | C.B. |
| 2022-10-09 16:09 UTC | pass B | Raman acquisition; 4 peaks above prominence threshold instrument: Renishaw inVia (532 nm, low-power head) ref. checked: AMCSD #2519 | C.B. |
| 2022-10-12 11:09 UTC | storage | re-bagged, label re-printed; placed in vault C, shelf 18, drawer 23 | S.W. |
| 2024-10-11 15:22 UTC | re-inspection | seal intact · label legible · no visible degradation | C.B. |
physical location: vault C · shelf 18 · drawer 23 · last documented inspection: 2024-10-11 15:22 UTC