AM-2011-10005-A · Olivine (forsterite)archived
physical & structuralrev. 3
| designation | Olivine (forsterite) |
|---|---|
| chemical formula | (Mg,Fe)₂SiO₄ |
| classification | Nesosilicate / Olivine group |
| crystal system | Orthorhombic |
| mohs hardness | 6.5 – 7 |
| density (g/cm³) | 3.28 |
| colour | Faintly pale greenish-yellow |
| type locality | Boudi, Souss-Massa, Morocco |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 824, 858
notessubmitter remarks + registry
Standard olivine (forsterite) reference specimen. Supplied as a single piece on a small fragment of host 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. |
|---|---|---|---|
| 2011-09-07 14:33 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | L.K. |
| 2011-09-12 08:11 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | P.S. |
| 2011-09-22 12:55 UTC | pass B | Raman acquisition; 2 peaks above prominence threshold instrument: Renishaw inVia (532 nm, low-power head) ref. checked: AMCSD #1590 | P.S. |
| 2011-09-25 11:52 UTC | storage | re-bagged, label re-printed; placed in vault A, shelf 14, drawer 30 | L.K. |
| 2013-09-24 16:44 UTC | re-inspection | seal intact · label legible · no visible degradation | T.J. |
| 2015-09-24 09:42 UTC | re-inspection | seal intact · label legible · no visible degradation | T.J. |
| 2017-09-23 15:51 UTC | re-inspection | seal intact · label legible · no visible degradation | T.J. |
| 2019-09-23 09:42 UTC | re-inspection | seal intact · label legible · no visible degradation | T.J. |
physical location: vault A · shelf 14 · drawer 30 · last documented inspection: 2019-09-23 09:42 UTC
errata · corrections of record1 entry
The following corrections have been issued for this record since accession. Original values are retained here for citation purposes; the canonical metadata above reflects the most recent correction.
| id | issued | field | was | now |
|---|---|---|---|---|
| ERR-2008-0002 | 2008-10-01 | mohs | 6 | 6–6.5 |