AM-2008-10009-A · Pyriteactive
physical & structuralrev. 3
| designation | Pyrite |
|---|---|
| chemical formula | FeS₂ |
| classification | Sulfide / Pyrite group |
| crystal system | Cubic |
| mohs hardness | 6 – 6.5 |
| density (g/cm³) | 5.08 |
| colour | Pale brass-yellow, tarnishing |
| type locality | Dzhezkazgan, Karaganda, Kazakhstan |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 341, 381, 432
notessubmitter remarks + registry
Macroscopic appearance consistent with pyrite; no surface alteration observed at the time of intake.
chain of custody8 events · 5 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. |
|---|---|---|---|
| 2008-01-19 09:26 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | T.J. |
| 2008-01-21 09:00 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | C.B. |
| 2008-02-02 16:22 UTC | pass B | Raman acquisition; 3 peaks above prominence threshold instrument: Renishaw inVia (532 nm, low-power head) ref. checked: RRUFF R05007 | C.B. |
| 2008-02-03 09:23 UTC | storage | re-bagged, label re-printed; placed in vault D, shelf 22, drawer 24 | T.J. |
| 2010-02-02 10:49 UTC | re-inspection | seal intact · label legible · no visible degradation | P.S. |
| 2012-02-02 15:03 UTC | re-inspection | seal intact · label legible · no visible degradation | P.S. |
| 2014-02-01 11:23 UTC | re-inspection | seal intact · label legible · no visible degradation | P.S. |
| 2016-02-01 12:01 UTC | re-inspection | seal intact · label legible · no visible degradation | P.S. |
physical location: vault D · shelf 22 · drawer 24 · last documented inspection: 2016-02-01 12:01 UTC