*

Before publication, minerals marked with an asterisk were approved by the Commission on New Minerals and Mineral Names, International Mineralogical Association.

J.D. Grice, R.A. Gault, A.C. Roberts, M.A. Cooper (2000) Adamsite-(Y), a new sodium-yttrium carbonate mineral species from Mont Saint-Hilaire, Quebec. Can. Mineral., 38, 1457–1466.

The mineral occurs as spherical aggregates of acicular to fibrous crystals, up to 2.5 cm long. Electron microprobe analysis gave Na2O 8.64, CaO 0.05, Y2O3 22.88, Ce2O3 0.37, Nd2O3 1.41, Sm2O3 1.02, Gd2O3 1.92, Tb2O...

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