AM-2014-10012-A · Quartz, var. citrinewithdrawn
This record has been withdrawn from active circulation.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. 1
| designation | Quartz, var. citrine |
|---|---|
| chemical formula | SiO₂ |
| classification | Tectosilicate / Quartz group |
| crystal system | Trigonal |
| mohs hardness | 7 |
| density (g/cm³) | 2.66 |
| colour | Pale yellow |
| type locality | Bisbee, Cochise County, Arizona, USA |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 130, 466, 698, 1087
notessubmitter remarks + registry
Crystals up to 18 mm on edge, sharply terminated. No accompanying 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. |
|---|---|---|---|
| 2014-05-05 15:39 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | L.K. |
| 2014-05-08 08:16 UTC | pass A | visual inspection · density (Archimedes) · mass to ±0.01 g | H.D. |
| 2014-05-13 16:08 UTC | pass B | Raman acquisition; 4 peaks above prominence threshold instrument: Renishaw inVia (532 nm) ref. checked: AMCSD #7486 | H.D. |
| 2014-05-14 10:54 UTC | storage | re-bagged, label re-printed; placed in vault B, shelf 27, drawer 26 | L.K. |
| 2016-05-13 11:49 UTC | re-inspection | seal intact · label legible · no visible degradation | L.K. |
| 2018-05-13 14:05 UTC | re-inspection | seal intact · label legible · no visible degradation | L.K. |
| 2020-05-12 08:17 UTC | re-inspection | seal intact · label legible · no visible degradation | L.K. |
| 2022-05-12 12:01 UTC | re-inspection | seal intact · label legible · no visible degradation | L.K. |
physical location: vault B · shelf 27 · drawer 26 · last documented inspection: 2022-05-12 12:01 UTC