AM-2019-10005-A · Garnet, var. almandinearchived
physical & structuralrev. 2
| 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) | 4.33 |
| colour | Deep red-brown |
| type locality | Broken Hill, NSW, Australia |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 349, 918, 1051
notessubmitter remarks + registry
Photographic record retained. Routine intake; no anomalies noted.
chain of custody7 events · 4 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. |
|---|---|---|---|
| 2019-04-07 14:26 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | V.O. |
| 2019-04-08 08:54 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | M.A. |
| 2019-04-12 12:11 UTC | pass B | Raman acquisition; 3 peaks above prominence threshold instrument: Horiba LabRAM HR (532 nm) ref. checked: RRUFF R05008 | M.A. |
| 2019-04-13 16:13 UTC | storage | re-bagged, label re-printed; placed in vault C, shelf 17, drawer 28 | V.O. |
| 2021-04-12 09:59 UTC | re-inspection | seal intact · label legible · no visible degradation | N.P. |
| 2023-04-12 16:31 UTC | re-inspection | seal intact · label legible · no visible degradation | N.P. |
| 2025-04-11 12:20 UTC | re-inspection | seal intact · label legible · no visible degradation | N.P. |
physical location: vault C · shelf 17 · drawer 28 · last documented inspection: 2025-04-11 12:20 UTC