AM-2019-10016-A · Garnet, var. almandineactive
physical & structuralrev. 3
| 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) | 4.39 |
| colour | Wine red, dodecahedral |
| type locality | Inder, Atyrau, Kazakhstan |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 351, 550, 917, 1051
notessubmitter remarks + registry
Submitter cited the type locality. Specimen retained for reference; no chain-of-custody documentation available beyond the submission packet.
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. |
|---|---|---|---|
| 2019-04-27 12:19 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | L.K. |
| 2019-04-28 16:18 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | M.A. |
| 2019-05-01 08:58 UTC | pass B | Raman acquisition; 4 peaks above prominence threshold instrument: Renishaw inVia (532 nm) ref. checked: COD entry 129852 | M.A. |
| 2019-05-03 16:53 UTC | storage | re-bagged, label re-printed; placed in vault D, shelf 09, drawer 05 | L.K. |
| 2021-05-02 12:09 UTC | re-inspection | seal intact · label legible · no visible degradation | L.K. |
| 2023-05-02 15:43 UTC | re-inspection | seal intact · label legible · no visible degradation | L.K. |
| 2025-05-01 08:05 UTC | re-inspection | seal intact · label legible · no visible degradation | L.K. |
physical location: vault D · shelf 09 · drawer 05 · last documented inspection: 2025-05-01 08:05 UTC