AM-2023-10005-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) | 2.18 |
| colour | Colourless, transparent |
| type locality | South Crofty mine, Cornwall, England |
raman spectroscopy532 nm · pass A
No spectroscopic data on file. Awaiting analytical pass.
notessubmitter remarks + registry
Halite of ordinary appearance and habit. Used as a calibration reference during the analytical pass.
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. |
|---|---|---|---|
| 2023-08-09 15:25 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | L.K. |
| 2023-08-13 08:16 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | L.K. |
| 2023-08-14 14:08 UTC | storage | re-bagged, label re-printed; placed in vault A, shelf 01, drawer 02 | L.K. |
| 2025-08-13 08:51 UTC | re-inspection | seal intact · label legible · no visible degradation | N.P. |
physical location: vault A · shelf 01 · drawer 02 · last documented inspection: 2025-08-13 08:51 UTC