AM-2012-10005-A · Olivine (forsterite)withdrawn
This record has been withdrawn from active circulation. Historical metadata is retained for citation purposes only. Contact the registry before referencing this accession in new publications.
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) | 3.23 |
| colour | Pale greenish-yellow |
| type locality | Linwu, Hunan, China |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 823, 854
notessubmitter remarks + registry
Submitter cited the type locality. Specimen retained for reference; no chain-of-custody documentation available beyond the submission packet.
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. |
|---|---|---|---|
| 2012-01-01 16:44 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | C.B. |
| 2012-01-05 14:15 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | V.O. |
| 2012-01-10 16:37 UTC | pass B | Raman acquisition; 2 peaks above prominence threshold instrument: Renishaw inVia (532 nm) ref. checked: COD entry 162311 | V.O. |
| 2012-01-11 09:01 UTC | storage | re-bagged, label re-printed; placed in vault A, shelf 28, drawer 03 | C.B. |
| 2014-01-10 11:58 UTC | re-inspection | seal intact · label legible · no visible degradation | C.B. |
| 2016-01-10 13:27 UTC | re-inspection | seal intact · label legible · no visible degradation | C.B. |
| 2018-01-09 15:30 UTC | re-inspection | seal intact · label legible · no visible degradation | C.B. |
| 2020-01-09 15:43 UTC | re-inspection | seal intact · label legible · no visible degradation | C.B. |
physical location: vault A · shelf 28 · drawer 03 · last documented inspection: 2020-01-09 15:43 UTC