AM-2020-10006-A · Apatite-(CaF)archived
physical & structuralrev. 2
| designation | Apatite-(CaF) |
|---|---|
| chemical formula | Ca₅(PO₄)₃F |
| classification | Phosphate / Apatite supergroup |
| crystal system | Hexagonal |
| mohs hardness | 5 |
| density (g/cm³) | 3.18 |
| colour | Honey yellow |
| type locality | Shigar valley, Gilgit-Baltistan, Pakistan |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 431, 592, 961, 1041
notessubmitter remarks + registry
Specimen accompanied by a single typewritten card listing the locality and the year of collection. No analytical data was supplied.
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. |
|---|---|---|---|
| 2020-07-10 10:33 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | L.K. |
| 2020-07-12 16:30 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | L.K. |
| 2020-07-16 11:06 UTC | pass B | Raman acquisition; 4 peaks above prominence threshold instrument: Horiba LabRAM HR (532 nm) ref. checked: RRUFF R05009 | L.K. |
| 2020-07-19 09:39 UTC | storage | re-bagged, label re-printed; placed in vault B, shelf 08, drawer 06 | L.K. |
| 2022-07-19 08:56 UTC | re-inspection | seal intact · label legible · no visible degradation | S.W. |
| 2024-07-18 12:45 UTC | re-inspection | seal intact · label legible · no visible degradation | S.W. |
physical location: vault B · shelf 08 · drawer 06 · last documented inspection: 2024-07-18 12:45 UTC