AM-2016-10016-A · Garnet, var. almandinearchived
physical & structuralrev. 4
| designation | Garnet, var. almandine |
|---|---|
| chemical formula | Fe₃Al₂(SiO₄)₃ |
| classification | Nesosilicate / Garnet group |
| crystal system | Cubic |
| mohs hardness | 6.5 – 7.5 |
| density (g/cm³) | 4.36 |
| colour | Wine red, dodecahedral |
| type locality | Carrock mine, Cumbria, England |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 550, 914, 1052
notessubmitter remarks + registry
Garnet of ordinary appearance and habit. Used as a calibration reference during the analytical pass.
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. |
|---|---|---|---|
| 2016-01-12 14:55 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | P.S. |
| 2016-01-13 09:23 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | L.K. |
| 2016-01-20 11:58 UTC | pass B | Raman acquisition; 3 peaks above prominence threshold instrument: Horiba LabRAM HR (532 nm) ref. checked: AMCSD #9660 | L.K. |
| 2016-01-21 08:23 UTC | storage | re-bagged, label re-printed; placed in vault A, shelf 18, drawer 16 | P.S. |
| 2018-01-20 11:17 UTC | re-inspection | seal intact · label legible · no visible degradation | C.B. |
| 2020-01-20 09:48 UTC | re-inspection | seal intact · label legible · no visible degradation | C.B. |
| 2022-01-19 14:35 UTC | re-inspection | seal intact · label legible · no visible degradation | C.B. |
| 2024-01-19 16:41 UTC | re-inspection | seal intact · label legible · no visible degradation | C.B. |
physical location: vault A · shelf 18 · drawer 16 · last documented inspection: 2024-01-19 16:41 UTC