AM-2022-10014-A · Sphaleriteactive
physical & structuralrev. 2
| designation | Sphalerite |
|---|---|
| chemical formula | (Zn,Fe)S |
| classification | Sulfide / Sphalerite group |
| crystal system | Cubic |
| mohs hardness | 3.5 – 4 |
| density (g/cm³) | 3.97 |
| colour | Ruby red, transparent |
| type locality | Boudi, Souss-Massa, Morocco |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 275, 347, 619
notessubmitter remarks + registry
Standard sphalerite reference specimen. Supplied as a single piece on a small fragment of host matrix.
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. |
|---|---|---|---|
| 2022-11-08 11:18 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | R.E. |
| 2022-11-10 16:23 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | T.J. |
| 2022-11-24 08:10 UTC | pass B | Raman acquisition; 3 peaks above prominence threshold instrument: Horiba LabRAM HR (532 nm) ref. checked: AMCSD #9109 | T.J. |
| 2022-11-26 14:02 UTC | storage | re-bagged, label re-printed; placed in vault D, shelf 08, drawer 07 | R.E. |
| 2024-11-25 14:02 UTC | re-inspection | seal intact · label legible · no visible degradation | M.A. |
physical location: vault D · shelf 08 · drawer 07 · last documented inspection: 2024-11-25 14:02 UTC
errata · corrections of record1 entry
The following corrections have been issued for this record since accession. Original values are retained here for citation purposes; the canonical metadata above reflects the most recent correction.
| id | issued | field | was | now |
|---|---|---|---|---|
| ERR-2011-0004 | 2011-08-13 | mohs | 5.5 | 5–5.5 |