AM-2013-10003-A · Fluoritearchived
physical & structuralrev. 1
| designation | Fluorite |
|---|---|
| chemical formula | CaF₂ |
| classification | Halide / Fluorite group |
| crystal system | Cubic |
| mohs hardness | 4 |
| density (g/cm³) | 3.18 |
| colour | Deep purple, zoned |
| type locality | Inder, Atyrau, Kazakhstan |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 322
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 · 6 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. |
|---|---|---|---|
| 2013-10-08 14:02 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | N.P. |
| 2013-10-09 10:07 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | L.K. |
| 2013-10-20 14:53 UTC | pass B | Raman acquisition; 1 peak above prominence threshold instrument: Horiba LabRAM HR (532 nm) ref. checked: ICDD card 04-3689 | L.K. |
| 2013-10-22 16:30 UTC | storage | re-bagged, label re-printed; placed in vault A, shelf 20, drawer 22 | N.P. |
| 2015-10-22 11:31 UTC | re-inspection | seal intact · label legible · no visible degradation | R.E. |
| 2017-10-21 10:58 UTC | re-inspection | seal intact · label legible · no visible degradation | R.E. |
| 2019-10-21 13:54 UTC | re-inspection | seal intact · label legible · no visible degradation | R.E. |
| 2021-10-20 12:44 UTC | re-inspection | seal intact · label legible · no visible degradation | R.E. |
physical location: vault A · shelf 20 · drawer 22 · last documented inspection: 2021-10-20 12:44 UTC