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Gagarinite-(Y)
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| Gagarinite-(Y) Formula: (Ca.475 Y.36 Dy.05 Gd.045 Er.02 Ho.015 Sm.015 Yb.005 Nd.005 Tb.005 Ce.005) Na.3 F2.7 Name: Gagarinite-(Y) Unit cell: 5.987 5.987 3.5413 90.0 90.0 120.0 , V=109.93 Space group: P63/M (176) |
Hughes J M , Drexler J W , The Canadian Mineralogist , 32 (1994) p.563-565, Refinement of the structure of gagarinite-(Y), Nax(CaxREE2-x)F6
