AM-2021-10010-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) | 5.05 |
| colour | Brass yellow, fresh fracture |
| type locality | Cínovec, Krušné hory, Czech Republic |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 344, 380, 431
notessubmitter remarks + registry
Standard pyrite reference specimen. Supplied as a single piece on a small fragment of host matrix.
chain of custody6 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. |
|---|---|---|---|
| 2021-11-10 15:40 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | T.J. |
| 2021-11-15 10:18 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | H.D. |
| 2021-11-28 08:08 UTC | pass B | Raman acquisition; 3 peaks above prominence threshold instrument: Renishaw inVia (532 nm, low-power head) ref. checked: RRUFF R05001 | H.D. |
| 2021-12-01 16:09 UTC | storage | re-bagged, label re-printed; placed in vault B, shelf 11, drawer 20 | T.J. |
| 2023-12-01 14:31 UTC | re-inspection | seal intact · label legible · no visible degradation | R.E. |
| 2025-11-30 11:52 UTC | re-inspection | seal intact · label legible · no visible degradation | R.E. |
physical location: vault B · shelf 11 · drawer 20 · last documented inspection: 2025-11-30 11:52 UTC