AM-2020-10004-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) | 3.21 |
| colour | Violet |
| type locality | Nanping, Fujian, China |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 430, 588, 1042
notessubmitter remarks + registry
Submitter cited the type locality. Specimen retained for reference; no chain-of-custody documentation available beyond the submission packet.
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. |
|---|---|---|---|
| 2020-06-25 08:42 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | R.E. |
| 2020-06-27 12:52 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | H.D. |
| 2020-07-06 10:09 UTC | pass B | Raman acquisition; 3 peaks above prominence threshold instrument: Renishaw inVia (532 nm, low-power head) ref. checked: AMCSD #6989 | H.D. |
| 2020-07-09 15:34 UTC | storage | re-bagged, label re-printed; placed in vault C, shelf 27, drawer 01 | R.E. |
| 2022-07-09 16:30 UTC | re-inspection | seal intact · label legible · no visible degradation | R.E. |
| 2024-07-08 13:33 UTC | re-inspection | seal intact · label legible · no visible degradation | R.E. |
physical location: vault C · shelf 27 · drawer 01 · last documented inspection: 2024-07-08 13:33 UTC