public catalogue · open access · last index pass 2026-05-08 08:14:02 UTChost: cat-pub-04 · build 0.14.3-prototype · rev rA9F2
overviewcatalogueAM-2020-10005-A

AM-2020-10005-A · Quartzarchived

physical & structuralrev. 4
designationQuartz
chemical formulaSiO₂
classificationTectosilicate / Quartz group
crystal systemTrigonal
mohs hardness7
density (g/cm³)2.65
colourMilky white
type localityDundas, Tasmania, Australia
raman spectroscopy532 nm · pass A
200400600800100012001400Raman shift (cm⁻¹)intensity (arb.)262355465696810
λ_excitation: 532 nm · acq. 3 × 10 s · grating 1800 g/mmfig. 1 · raman.am-2020-10005-a.svg

reported peaks (cm⁻¹): 262, 355, 465, 696, 810

notessubmitter remarks + registry

Crystals up to 17 mm on edge, with euhedral faces. On dolomite matrix.