AM-2022-10004-A · Halitearchived
physical & structuralrev. 4
| 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 | Rio Marina, Elba, Italy |
raman spectroscopy532 nm · pass A
No spectroscopic data on file. Awaiting analytical pass.
notessubmitter remarks + registry
Photographic record retained. Single-pass examination only; no follow-up planned.
chain of custody4 events · 2 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. |
|---|---|---|---|
| 2022-12-15 14:43 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | M.A. |
| 2022-12-20 16:38 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | C.B. |
| 2022-12-22 14:37 UTC | storage | re-bagged, label re-printed; placed in vault D, shelf 20, drawer 31 | M.A. |
| 2024-12-21 08:43 UTC | re-inspection | seal intact · label legible · no visible degradation | R.E. |
physical location: vault D · shelf 20 · drawer 31 · last documented inspection: 2024-12-21 08:43 UTC