AM-2023-10007-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) | 3.20 |
| colour | Violet |
| type locality | Kashio mine, Nagano, Japan |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 430, 591, 962, 1040
notessubmitter remarks + registry
Photographic record retained. Single-pass examination only; no follow-up planned.
chain of custody5 events · 2 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. |
|---|---|---|---|
| 2023-03-12 12:20 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | V.O. |
| 2023-03-17 11:07 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | V.O. |
| 2023-03-24 12:24 UTC | pass B | Raman acquisition; 4 peaks above prominence threshold instrument: Renishaw inVia (785 nm) ref. checked: COD entry 136836 | V.O. |
| 2023-03-25 09:08 UTC | storage | re-bagged, label re-printed; placed in vault A, shelf 09, drawer 12 | V.O. |
| 2025-03-24 15:21 UTC | re-inspection | seal intact · label legible · no visible degradation | C.B. |
physical location: vault A · shelf 09 · drawer 12 · last documented inspection: 2025-03-24 15:21 UTC