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-2008-10002-A

AM-2008-10002-A · Sideriteunverified

The classification below is preliminary. Spectroscopic confirmation is incomplete; values shown reflect the most recent analytical pass and may be revised without notice.
physical & structuralrev. 2
designationSiderite
chemical formulaFeCO₃
classificationCarbonate / Calcite group
crystal systemTrigonal
mohs hardness3.5 – 4.5
density (g/cm³)3.83
colourPale honey brown
type localityMont Saint-Hilaire, Quebec, Canada
raman spectroscopy532 nm · pass A
200400600800100012001400Raman shift (cm⁻¹)intensity (arb.)185281
λ_excitation: 532 nm · acq. 3 × 10 s · grating 1800 g/mmfig. 1 · raman.am-2008-10002-a.svg

reported peaks (cm⁻¹): 185, 281, 1733

notessubmitter remarks + registry

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