 | Piilonen, P. C., McDonald, A. M., Grice, J. D., Rowe, R., Gault, R. A., Poirier, G., Cooper, M. A., Kolitsch, U., Roberts, A. C., Lechner, W., Palfi, A. G. (2010) Arisite-(Ce), a new rare-earth fluorocarbonate from the Aris phonolite, Namibia, Mont Saint-Hilaire and the Saint-Amable sill, Quebec, Canada. The Canadian Mineralogist, 48 (3) 661-671 doi:10.3749/canmin.48.3.661 | Journal (article/letter/editorial) | | NEW RARE-EARTH FLUORCARBONATE FROM THE ARIS PHONOLITE, NAMIBIA, MONT SAINT-HILAIRE AND THE SAINT-AMABLE...4L4, Canada Andreas G. PALFI PO Box 23532, Windhoek, Namibia Abstract Arisite-(Ce), ideally NaCe2(CO3)2[(CO3)1–xF2x]F...rare-earth fluorcarbonate mineral from the Aris phonolite (Namibia), Mont Saint-Hilaire (Quebec), and the...the Saint-Amable sill (Quebec). At the Aris phonolite, arisite-(Ce) occurs as vitreous, transparent, beige...iodide. Its density Dcalc is 4.126 g/cm3 for Z = 1 (Aris). Arisite-(Ce) is uniaxial negative, has a sharp |  | Piilonen, P. C., McDonald, A. M., Grice, J. D., Cooper, M. A., Kolitsch, U., Rowe, R., Gault, R. A., Poirier, G. (2010) Arisite-(La), a new REE-fluorcarbonate mineral from the Aris phonolite (Namibia), with descriptions of the crystal structures of arisite-(La) and arisite-(Ce) Mineralogical Magazine, 74 (2) 257-268 doi:10.1180/minmag.2010.074.2.257 | Journal (article/letter/editorial) | | new REE-fluorcarbonate mineral from the Aris phonolite (Namibia), with descriptions of the crystal structures...mineral from miarolitic cavities within the Aris phonolite, Namibia (IMA no. 2009-019). It occurs as distinct...phase, NaY2(CO3)3F. K EY WORDS : fluorcarbonate, REE, Aris phonolite, structure determination, new mineral...outcrops and caps on elevated hills and buttes. The Aris phonolite dyke occurs in the southern part of the...building material at the Ariskop and Railroad quarries. The phonolite is fine- to medium-grained, with |  | | Journal (issue) | | be opened to the left (west) of this byssolite region. Across the top of this doorway, about 1 foot in...Supplement ALAN AND ELISE BENSON Smoky quartz on microcline, 6.7 cm, from the Smoky Hawk mine, Crystal Peak...2015 and continuing into 2016, Donnie explored the region east of Bigelow. He found several new gash veins... TOM COOPER Andradite, 3.1 cm, from the Kayes region, Mali; collected in March of 2009. I pose with...crystal found at the prehnite deposit in the Kayes region, Mali, in March of 2009. I just jumped into an |
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Aris Quarries, Aris, Windhoek Rural, Khomas Region, Namibia