AM-2013-10006-A · Malachitearchived
physical & structuralrev. 4
| designation | Malachite |
|---|---|
| chemical formula | Cu₂(CO₃)(OH)₂ |
| classification | Carbonate / hydrous |
| crystal system | Monoclinic |
| mohs hardness | 3.5 – 4 |
| density (g/cm³) | 4.06 |
| colour | Banded green |
| type locality | Dundas, Tasmania, Australia |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 157, 218, 269, 434
notessubmitter remarks + registry
Malachite of ordinary appearance and habit. Catalogued without further analysis.
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. |
|---|---|---|---|
| 2013-04-22 10:44 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | V.O. |
| 2013-04-27 12:39 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | T.J. |
| 2013-05-01 08:56 UTC | pass B | Raman acquisition; 4 peaks above prominence threshold instrument: Horiba LabRAM HR (532 nm) ref. checked: ICDD card 04-2169 | T.J. |
| 2013-05-02 11:23 UTC | storage | re-bagged, label re-printed; placed in vault B, shelf 18, drawer 08 | V.O. |
| 2015-05-02 09:13 UTC | re-inspection | seal intact · label legible · no visible degradation | L.K. |
| 2017-05-01 09:27 UTC | re-inspection | seal intact · label legible · no visible degradation | L.K. |
| 2019-05-01 09:57 UTC | re-inspection | seal intact · label legible · no visible degradation | L.K. |
| 2021-04-30 14:42 UTC | re-inspection | seal intact · label legible · no visible degradation | L.K. |
physical location: vault B · shelf 18 · drawer 08 · last documented inspection: 2021-04-30 14:42 UTC