public catalogue · open access · last index pass 2026-07-08 08:14:02 UTChost: cat-pub-04 · build 0.14.3-prototype · rev rA9F2
overviewcatalogueAM-2026-00011-A

AM-2026-00011-A · Garnet, var. almandinearchived

physical & structuralrev. 1
designationGarnet, var. almandine
chemical formulaFe₃Al₂(SiO₄)₃
classificationNesosilicate / Garnet group
crystal systemCubic
mohs hardness7 – 7.5
density (g/cm³)4.32
colourDeep red
type localityBroken Hill, New South Wales, Australia
raman spectroscopy532 nm · pass A
200400600800100012001400Raman shift (cm⁻¹)intensity (arb.)355552912
λ_excitation: 532 nm · acq. 3 × 10 s · grating 1800 g/mmfig. 1 · raman.am-2026-00011-a.svg

reported peaks (cm⁻¹): 355, 552, 912

notessubmitter remarks + registry

Dodecahedral crystals of deep red colouration embedded in a micaceous schist matrix. Submitted as part of a small consignment of Broken Hill material; locality recorded to district level only.

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.

timestampstagedetailop.
2026-07-09 13:29 UTCintakeweighed, dimensioned, photographed; container sealed and labelled with the accession identifierN.P.

physical location: vault D · shelf 01 · drawer 32 · last documented inspection: 2026-07-09 13:29 UTC