AM-2019-10015-A · Pyritearchived
physical & structuralrev. 4
| designation | Pyrite |
|---|---|
| chemical formula | FeS₂ |
| classification | Sulfide / Pyrite group |
| crystal system | Cubic |
| mohs hardness | 6 – 6.5 |
| density (g/cm³) | 4.98 |
| colour | Pale brass-yellow, tarnishing |
| type locality | Rio Marina, Elba, Italy |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 344, 381, 431
notessubmitter remarks + registry
Photographic record retained. Specimen temperature held at lab ambient throughout intake.
chain of custody7 events · 4 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. |
|---|---|---|---|
| 2019-01-24 08:36 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | P.S. |
| 2019-01-26 10:28 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | T.J. |
| 2019-01-31 10:39 UTC | pass B | Raman acquisition; 3 peaks above prominence threshold instrument: Horiba LabRAM HR (532 nm) ref. checked: RRUFF R05007 | T.J. |
| 2019-02-03 08:39 UTC | storage | re-bagged, label re-printed; placed in vault A, shelf 05, drawer 08 | P.S. |
| 2021-02-02 12:35 UTC | re-inspection | seal intact · label legible · no visible degradation | M.A. |
| 2023-02-02 10:01 UTC | re-inspection | seal intact · label legible · no visible degradation | M.A. |
| 2025-02-01 09:12 UTC | re-inspection | seal intact · label legible · no visible degradation | M.A. |
physical location: vault A · shelf 05 · drawer 08 · last documented inspection: 2025-02-01 09:12 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-2021-0002 | 2021-03-15 | mohs | 5.5 | 5–5.5 |