AM-2012-10009-A · Olivine (forsterite)active
physical & structuralrev. 2
| designation | Olivine (forsterite) |
|---|---|
| chemical formula | (Mg,Fe)₂SiO₄ |
| classification | Nesosilicate / Olivine group |
| crystal system | Orthorhombic |
| mohs hardness | 6.5 – 7 |
| density (g/cm³) | 3.33 |
| colour | Pale greenish-yellow |
| type locality | Mogok, Mandalay, Myanmar |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 824, 855
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. |
|---|---|---|---|
| 2012-02-23 14:04 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | C.B. |
| 2012-02-27 11:27 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | V.O. |
| 2012-03-07 09:13 UTC | pass B | Raman acquisition; 2 peaks above prominence threshold instrument: Renishaw inVia (532 nm, low-power head) ref. checked: COD entry 127623 | V.O. |
| 2012-03-10 13:42 UTC | storage | re-bagged, label re-printed; placed in vault A, shelf 06, drawer 13 | C.B. |
| 2014-03-10 10:45 UTC | re-inspection | seal intact · label legible · no visible degradation | P.S. |
| 2016-03-09 11:33 UTC | re-inspection | seal intact · label legible · no visible degradation | P.S. |
| 2018-03-09 15:17 UTC | re-inspection | seal intact · label legible · no visible degradation | P.S. |
| 2020-03-08 15:05 UTC | re-inspection | seal intact · label legible · no visible degradation | P.S. |
physical location: vault A · shelf 06 · drawer 13 · last documented inspection: 2020-03-08 15:05 UTC