AM-2021-10006-A · Halitearchived
physical & structuralrev. 2
| designation | Halite |
|---|---|
| chemical formula | NaCl |
| classification | Halide / Halite group |
| crystal system | Cubic |
| mohs hardness | 2 – 2.5 |
| density (g/cm³) | 2.18 |
| colour | Deep colourless, transparent |
| type locality | Daoping mine, Guangxi, China |
raman spectroscopy532 nm · pass A
No spectroscopic data on file. Awaiting analytical pass.
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 · 3 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. |
|---|---|---|---|
| 2021-11-27 11:38 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | H.D. |
| 2021-12-01 13:09 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | N.P. |
| 2021-12-02 15:27 UTC | storage | re-bagged, label re-printed; placed in vault C, shelf 24, drawer 19 | H.D. |
| 2023-12-02 13:58 UTC | re-inspection | seal intact · label legible · no visible degradation | M.A. |
| 2025-12-01 09:54 UTC | re-inspection | seal intact · label legible · no visible degradation | M.A. |
physical location: vault C · shelf 24 · drawer 19 · last documented inspection: 2025-12-01 09:54 UTC