AM-2008-10004-A · Olivine (forsterite)archived
physical & structuralrev. 4
| designation | Olivine (forsterite) |
|---|---|
| chemical formula | (Mg,Fe)₂SiO₄ |
| classification | Nesosilicate / Olivine group |
| crystal system | Orthorhombic |
| mohs hardness | 6.5 – 7 |
| density (g/cm³) | 3.25 |
| colour | Olive green |
| type locality | Sudbury basin, Ontario, Canada |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 823, 856
notessubmitter remarks + registry
Macroscopic appearance consistent with olivine (forsterite); no surface alteration observed at the time of intake.
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. |
|---|---|---|---|
| 2008-04-23 09:00 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | N.P. |
| 2008-04-27 16:25 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | S.W. |
| 2008-05-04 15:13 UTC | pass B | Raman acquisition; 2 peaks above prominence threshold instrument: Renishaw inVia (785 nm) ref. checked: AMCSD #4903 | S.W. |
| 2008-05-07 13:21 UTC | storage | re-bagged, label re-printed; placed in vault B, shelf 01, drawer 24 | N.P. |
| 2010-05-07 10:37 UTC | re-inspection | seal intact · label legible · no visible degradation | P.S. |
| 2012-05-06 12:54 UTC | re-inspection | seal intact · label legible · no visible degradation | P.S. |
| 2014-05-06 14:00 UTC | re-inspection | seal intact · label legible · no visible degradation | P.S. |
| 2016-05-05 12:42 UTC | re-inspection | seal intact · label legible · no visible degradation | P.S. |
physical location: vault B · shelf 01 · drawer 24 · last documented inspection: 2016-05-05 12:42 UTC