AM-2013-02890-A · Sphaleritearchived
physical & structuralrev. 3
| designation | Sphalerite |
|---|---|
| chemical formula | (Zn,Fe)S |
| classification | Sulfide / Sphalerite group |
| crystal system | Cubic |
| mohs hardness | 3.5 – 4 |
| density (g/cm³) | 4.05 |
| colour | Resinous yellow to dark brown |
| type locality | Trepča complex, Kosovo |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 273, 348, 619
notessubmitter remarks + registry
Iron-rich variety; characteristic resinous lustre.
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. |
|---|---|---|---|
| 2013-09-01 12:20 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | R.E. |
| 2013-09-06 13:48 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | C.B. |
| 2013-09-20 15:11 UTC | pass B | Raman acquisition; 3 peaks above prominence threshold instrument: Horiba LabRAM HR (532 nm) ref. checked: AMCSD #7588 | C.B. |
| 2013-09-23 08:53 UTC | storage | re-bagged, label re-printed; placed in vault C, shelf 21, drawer 28 | R.E. |
| 2015-09-23 08:40 UTC | re-inspection | seal intact · label legible · no visible degradation | R.E. |
| 2017-09-22 11:23 UTC | re-inspection | seal intact · label legible · no visible degradation | R.E. |
| 2019-09-22 15:36 UTC | re-inspection | seal intact · label legible · no visible degradation | R.E. |
| 2021-09-21 13:41 UTC | re-inspection | seal intact · label legible · no visible degradation | R.E. |
physical location: vault C · shelf 21 · drawer 28 · last documented inspection: 2021-09-21 13:41 UTC