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-2012-10006-A

AM-2012-10006-A · Dolomitearchived

physical & structuralrev. 1
designationDolomite
chemical formulaCaMg(CO₃)₂
classificationCarbonate / Dolomite group
crystal systemTrigonal
mohs hardness3.5 – 4
density (g/cm³)2.84
colourColourless
type localityAndriamena, Betsiboka, Madagascar
raman spectroscopy532 nm · pass A
200400600800100012001400Raman shift (cm⁻¹)intensity (arb.)1777231100
λ_excitation: 532 nm · acq. 3 × 10 s · grating 1800 g/mmfig. 1 · raman.am-2012-10006-a.svg

reported peaks (cm⁻¹): 177, 723, 1100

notessubmitter remarks + registry

Donated as part of a decommissioned teaching collection; no individual provenance retained.