AM-2026-00010-A · Zirconarchived
physical & structuralrev. 1
| designation | Zircon |
|---|---|
| chemical formula | ZrSiO₄ |
| classification | Nesosilicate |
| crystal system | Tetragonal |
| mohs hardness | 7.5 |
| density (g/cm³) | 4.65 |
| colour | Colourless, brown, red-brown |
| type locality | Tasmania, Australia (locality reserved) |
raman spectroscopy532 nm · pass A
reported peaks (cm⁻¹): 201, 356, 975, 1008
notessubmitter remarks + registry
Stubby tetragonal prisms with pyramidal terminations, red-brown in colour, on a weathered alluvial matrix fragment. Submitted as part of a small consignment of Tasmanian material; locality withheld at submitter's request.
chain of custody1 events · 0 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. |
|---|---|---|---|
| 2026-07-02 15:12 UTC | intake | weighed, dimensioned, photographed; container sealed and labelled with the accession identifier | M.A. |
physical location: vault D · shelf 03 · drawer 19 · last documented inspection: 2026-07-02 15:12 UTC