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Zirsilite-(Ce): (Na,[ ])12(Ce, Na)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3)·H2O
Comments: Yellow masses of zirsilite-(Ce) intermixed with other eudialyte group (?) minerals. Location: Darai-Pioz (Dara-i-Pioz; Dara-Pioz) Glacier, Alai (Alayskiy) Range, Tien Shan Mts, Region of Republican Subordination, Tajikistan. Scale: Picture Size 0.2 cm. © Jeff Weissman / Photographic Guide to Mineral Species