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-2008-10011-A

AM-2008-10011-A · Malachitearchived

physical & structuralrev. 2
designationMalachite
chemical formulaCu₂(CO₃)(OH)₂
classificationCarbonate / hydrous
crystal systemMonoclinic
mohs hardness3.5 – 4
density (g/cm³)4.05
colourBright green crusts
type localityImider mine, Drâa-Tafilalet, Morocco
raman spectroscopy532 nm · pass A
200400600800100012001400Raman shift (cm⁻¹)intensity (arb.)1762182704351097
λ_excitation: 532 nm · acq. 3 × 10 s · grating 1800 g/mmfig. 1 · raman.am-2008-10011-a.svg

reported peaks (cm⁻¹): 176, 218, 270, 435, 1097

notessubmitter remarks + registry

Crystals up to 15 mm on edge, with euhedral faces. No accompanying matrix.