AM-2014-10016-A · Apatite-(CaF)active
physical & structuralrev. 4
| designation | Apatite-(CaF) |
|---|---|
| chemical formula | Ca₅(PO₄)₃F |
| classification | Phosphate / Apatite supergroup |
| crystal system | Hexagonal |
| mohs hardness | 5 |
| density (g/cm³) | 3.19 |
| colour | Violet |
| type locality | Carrock mine, Cumbria, England |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 431, 592, 960
notessubmitter remarks + registry
Standard apatite-(caf) reference specimen. Supplied as a single piece on a small fragment of host matrix. Re-pass note (2026-05-24). Re-pass on 2026-05-24 reproduces previous measurements within experimental uncertainty.
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. |
|---|---|---|---|
| 2014-04-09 13:53 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | P.S. |
| 2014-04-12 09:30 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | S.W. |
| 2014-04-16 15:53 UTC | pass B | Raman acquisition; 3 peaks above prominence threshold instrument: Renishaw inVia (532 nm, low-power head) ref. checked: COD entry 182494 | S.W. |
| 2014-04-18 14:42 UTC | storage | re-bagged, label re-printed; placed in vault C, shelf 21, drawer 09 | P.S. |
| 2016-04-17 08:59 UTC | re-inspection | seal intact · label legible · no visible degradation | L.K. |
| 2018-04-17 13:40 UTC | re-inspection | seal intact · label legible · no visible degradation | L.K. |
| 2020-04-16 12:11 UTC | re-inspection | seal intact · label legible · no visible degradation | L.K. |
| 2022-04-16 09:59 UTC | re-inspection | seal intact · label legible · no visible degradation | L.K. |
physical location: vault C · shelf 21 · drawer 09 · last documented inspection: 2022-04-16 09:59 UTC