AM-2012-01988-A · Dolomitearchived
physical & structuralrev. 1
| designation | Dolomite |
|---|---|
| chemical formula | CaMg(CO₃)₂ |
| classification | Carbonate / Dolomite group |
| crystal system | Trigonal |
| mohs hardness | 3.5 – 4 |
| density (g/cm³) | 2.84 |
| colour | Pinkish white, saddle-shaped crystals |
| type locality | Eugui, Navarre, Spain |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 177, 300, 725, 1098
notessubmitter remarks + registry
Curved rhombohedral faces typical of the locality.
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. |
|---|---|---|---|
| 2012-05-17 11:14 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | T.J. |
| 2012-05-19 12:56 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | M.A. |
| 2012-05-22 13:32 UTC | pass B | Raman acquisition; 4 peaks above prominence threshold instrument: Renishaw inVia (532 nm) ref. checked: COD entry 166546 | M.A. |
| 2012-05-24 13:01 UTC | storage | re-bagged, label re-printed; placed in vault A, shelf 18, drawer 13 | T.J. |
| 2014-05-24 14:35 UTC | re-inspection | seal intact · label legible · no visible degradation | H.D. |
| 2016-05-23 11:57 UTC | re-inspection | seal intact · label legible · no visible degradation | H.D. |
| 2018-05-23 13:27 UTC | re-inspection | seal intact · label legible · no visible degradation | H.D. |
| 2020-05-22 09:42 UTC | re-inspection | seal intact · label legible · no visible degradation | H.D. |
physical location: vault A · shelf 18 · drawer 13 · last documented inspection: 2020-05-22 09:42 UTC