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-2023-10010-A

AM-2023-10010-A · Rutilearchived

physical & structuralrev. 4
designationRutile
chemical formulaTiO₂
classificationOxide / Rutile group
crystal systemTetragonal
mohs hardness6 – 6.5
density (g/cm³)4.20
colourReddish brown, adamantine
type localityImider mine, Drâa-Tafilalet, Morocco
raman spectroscopy532 nm · pass A
200400600800100012001400Raman shift (cm⁻¹)intensity (arb.)143236447612
λ_excitation: 532 nm · acq. 3 × 10 s · grating 1800 g/mmfig. 1 · raman.am-2023-10010-a.svg

reported peaks (cm⁻¹): 143, 236, 447, 612

notessubmitter remarks + registry

Specimen accompanied by a single typewritten card listing the locality and the year of collection. No analytical data was supplied.