AM-2014-10005-A · Halitearchived
physical & structuralrev. 3
| designation | Halite |
|---|---|
| chemical formula | NaCl |
| classification | Halide / Halite group |
| crystal system | Cubic |
| mohs hardness | 2 – 2.5 |
| density (g/cm³) | 2.17 |
| colour | Colourless, transparent |
| type locality | Tsumeb, Otjikoto, Namibia |
raman spectroscopy532 nm · pass A
No spectroscopic data on file. Awaiting analytical pass.
notessubmitter remarks + registry
Specimen accompanied by a single typewritten card listing the locality and the year of collection. Original collection number illegible due to ink fade.
chain of custody7 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. |
|---|---|---|---|
| 2014-02-21 08:28 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | H.D. |
| 2014-02-26 16:03 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | P.S. |
| 2014-02-28 13:24 UTC | storage | re-bagged, label re-printed; placed in vault C, shelf 21, drawer 20 | H.D. |
| 2016-02-28 08:58 UTC | re-inspection | seal intact · label legible · no visible degradation | H.D. |
| 2018-02-27 13:06 UTC | re-inspection | seal intact · label legible · no visible degradation | H.D. |
| 2020-02-27 16:29 UTC | re-inspection | seal intact · label legible · no visible degradation | H.D. |
| 2022-02-26 14:39 UTC | re-inspection | seal intact · label legible · no visible degradation | H.D. |
physical location: vault C · shelf 21 · drawer 20 · last documented inspection: 2022-02-26 14:39 UTC