单词 | röntgenite- |
释义 | > as lemmasröntgenite-(Ce). A mineral containing the rare earth elements cerium and lanthanum, typically occurring as small yellow or brown crystals. Also röntgenite-(Ce).Röntgenite is a fluorocarbonate of calcium, cerium, and lanthanum, Ca2(Ce,La)3(CO3)5F3. Crystal system: trigonal. ΘΚΠ the world > the earth > minerals > types of mineral > carbonates > [noun] > fluocarbonates of cerium parisite1846 fluocerine1849 bastnäsite1868 synchisite1901 röntgenite1953 1953 G. Donnay in Amer. Mineralogist 38 868 (title) Roentgenite, 3CeFCO3.2CaCO3, a new mineral from Greenland. 1993 Amer. Mineralogist 78 415 (title) The atomic arrangement of bastnäsite-(Ce), Ce(CO3)F, and structural elements of synchysite-(Ce), röntgenite-(Ce), and parisite-(Ce). 1996 P. J. Wyllie et al. in A. P. Jones et al. Rare Earth Minerals iv. 80 The common representatives are:..for group (3), bastnäsite-series REE carbonates such as synchysite, bastnäsite, parisite and roentgenite. < as lemmas |
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