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-2020-10003-A

AM-2020-10003-A · Baritearchived

physical & structuralrev. 3
designationBarite
chemical formulaBaSO₄
classificationSulfate / Barite group
crystal systemOrthorhombic
mohs hardness3 – 3.5
density (g/cm³)4.49
colourWeakly zoned, colourless to pale blue
type localityBou Azzer, Drâa-Tafilalet, Morocco
raman spectroscopy532 nm · pass A
200400600800100012001400Raman shift (cm⁻¹)intensity (arb.)4539871142
λ_excitation: 532 nm · acq. 3 × 10 s · grating 1800 g/mmfig. 1 · raman.am-2020-10003-a.svg

reported peaks (cm⁻¹): 453, 987, 1142

notessubmitter remarks + registry

Barite of ordinary appearance and habit. Used as a calibration reference during the analytical pass.