AM-2013-10018-A · Marcasitearchived
physical & structuralrev. 4
| designation | Marcasite |
|---|---|
| chemical formula | FeS₂ |
| classification | Sulfide / Marcasite group |
| crystal system | Orthorhombic |
| mohs hardness | 6 – 6.5 |
| density (g/cm³) | 4.88 |
| colour | Faintly pale brass yellow with greenish cast |
| type locality | Långban, Värmland, Sweden |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 322, 385
notessubmitter remarks + registry
Specimen accompanied by a single typewritten card listing the locality and the year of collection. Original collection number illegible due to ink fade.
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. |
|---|---|---|---|
| 2013-07-30 08:23 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | V.O. |
| 2013-08-02 11:52 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | L.K. |
| 2013-08-15 08:50 UTC | pass B | Raman acquisition; 2 peaks above prominence threshold instrument: Renishaw inVia (785 nm) ref. checked: RRUFF R05005 | L.K. |
| 2013-08-18 16:18 UTC | storage | re-bagged, label re-printed; placed in vault A, shelf 11, drawer 01 | V.O. |
| 2015-08-18 10:39 UTC | re-inspection | seal intact · label legible · no visible degradation | S.W. |
| 2017-08-17 11:42 UTC | re-inspection | seal intact · label legible · no visible degradation | S.W. |
| 2019-08-17 13:56 UTC | re-inspection | seal intact · label legible · no visible degradation | S.W. |
| 2021-08-16 09:56 UTC | re-inspection | seal intact · label legible · no visible degradation | S.W. |
physical location: vault A · shelf 11 · drawer 01 · last documented inspection: 2021-08-16 09:56 UTC