AM-2012-10016-A · Celestinearchived
physical & structuralrev. 1
| designation | Celestine |
|---|---|
| chemical formula | SrSO₄ |
| classification | Sulfate / Barite group |
| crystal system | Orthorhombic |
| mohs hardness | 3 – 3.5 |
| density (g/cm³) | 3.99 |
| colour | Pale sky blue |
| type locality | Kongsberg, Buskerud, Norway |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 451, 459, 622, 998, 1158
notessubmitter remarks + registry
Crystals up to 9 mm on edge, partly etched. On quartz matrix.
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. |
|---|---|---|---|
| 2012-03-22 16:58 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | T.J. |
| 2012-03-23 15:59 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | H.D. |
| 2012-03-25 14:30 UTC | pass B | Raman acquisition; 5 peaks above prominence threshold instrument: Renishaw inVia (532 nm, low-power head) ref. checked: AMCSD #4399 | H.D. |
| 2012-03-26 08:32 UTC | storage | re-bagged, label re-printed; placed in vault D, shelf 26, drawer 20 | T.J. |
| 2014-03-26 14:28 UTC | re-inspection | seal intact · label legible · no visible degradation | P.S. |
| 2016-03-25 11:49 UTC | re-inspection | seal intact · label legible · no visible degradation | P.S. |
| 2018-03-25 16:15 UTC | re-inspection | seal intact · label legible · no visible degradation | P.S. |
| 2020-03-24 10:28 UTC | re-inspection | seal intact · label legible · no visible degradation | P.S. |
physical location: vault D · shelf 26 · drawer 20 · last documented inspection: 2020-03-24 10:28 UTC