AM-2024-10005-A · Apatite-(CaF)archived
physical & structuralrev. 3
| designation | Apatite-(CaF) |
|---|---|
| chemical formula | Ca₅(PO₄)₃F |
| classification | Phosphate / Apatite supergroup |
| crystal system | Hexagonal |
| mohs hardness | 5 |
| density (g/cm³) | 3.21 |
| colour | Sea blue |
| type locality | Shigar valley, Gilgit-Baltistan, Pakistan |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 431, 590, 961
notessubmitter remarks + registry
Macroscopic appearance consistent with apatite-(caf); no surface alteration observed at the time of intake.
chain of custody4 events · 1 seal-break
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. |
|---|---|---|---|
| 2024-07-13 08:10 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | C.B. |
| 2024-07-16 13:08 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | M.A. |
| 2024-07-26 11:05 UTC | pass B | Raman acquisition; 3 peaks above prominence threshold instrument: Renishaw inVia (785 nm) ref. checked: COD entry 115601 | M.A. |
| 2024-07-28 15:44 UTC | storage | re-bagged, label re-printed; placed in vault B, shelf 01, drawer 06 | C.B. |
physical location: vault B · shelf 01 · drawer 06 · last documented inspection: 2024-07-28 15:44 UTC