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-2017-10023-A

AM-2017-10023-A · Hematitearchived

physical & structuralrev. 4
designationHematite
chemical formulaFe₂O₃
classificationOxide / Hematite group
crystal systemTrigonal
mohs hardness5 – 6
density (g/cm³)5.30
colourDull earthy red
type localityLinwu, Hunan, China
raman spectroscopy532 nm · pass A
200400600800100012001400Raman shift (cm⁻¹)intensity (arb.)2252452934966121320
λ_excitation: 532 nm · acq. 3 × 10 s · grating 1800 g/mmfig. 1 · raman.am-2017-10023-a.svg

reported peaks (cm⁻¹): 225, 245, 293, 496, 612, 1320

notessubmitter remarks + registry

Crystals up to 23 mm on edge, partly etched. On dolomite matrix.