AM-2023-10012-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) | 3.19 |
| colour | Pale green, transparent |
| type locality | Freiberg district, Saxony, Germany |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 430, 962, 1042
notessubmitter remarks + registry
Crystals up to 20 mm on edge, with euhedral faces. No accompanying matrix.
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. |
|---|---|---|---|
| 2023-03-11 11:08 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | L.K. |
| 2023-03-15 08:48 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | C.B. |
| 2023-03-29 10:40 UTC | pass B | Raman acquisition; 3 peaks above prominence threshold instrument: Renishaw inVia (532 nm, low-power head) ref. checked: AMCSD #5561 | C.B. |
| 2023-03-30 11:59 UTC | storage | re-bagged, label re-printed; placed in vault B, shelf 05, drawer 13 | L.K. |
| 2025-03-29 13:15 UTC | re-inspection | seal intact · label legible · no visible degradation | N.P. |
physical location: vault B · shelf 05 · drawer 13 · last documented inspection: 2025-03-29 13:15 UTC