| Pautov, Leonid A., Agakhanov, Atali A., Karpenko, Vladimir Yu., Uvarova, Yulia A., Sokolova, Elena, Hawthorne, Frank C. (2019) Rinkite-(Y), Na2Ca4YTi(Si2O7)2OF3, a seidozerite-supergroup TS-block mineral from the Darai-Pioz alkaline massif, Tien-Shan mountains, Tajikistan: Description and crystal structure. Mineralogical Magazine, 83 (3) 373-380 doi:10.1180/mgm.2018.122 | Journal (article/letter/editorial) | Rinkite-(Y), Na2Ca4YTi(Si2O7)2OF3, a seidozerite-supergroup TS-block mineral from the Darai-Pioz alkaline...Ian Graham] Abstract Rinkite-(Y), ideally Na2Ca4YTi(Si2O7)2OF3, is a new rinkite-group (seidozerite-supergroup)...to occasionally white, with a vitreous luster. Rinkite-(Y) has a white streak, uneven, conchoidal fracture...50(3) and 2Vcalc. = 49.7°. It is nonpleochroic. Rinkite-(Y) is monoclinic, space group P21/c, a = 7.3934(5)...The TS block in rinkite-(Y) exhibits linkage 1 and stereochemistry typical for the rinkite group (Ti = 1 | | Wu, Bin, Wen, Han-Jie, Bonnetti, Christophe, Wang, Ru-Cheng, Yang, Jin-Hui, Wu, Fu-Yuan (2019) Rinkite-(Ce) in the nepheline syenite pegmatite from the Saima alkaline complex, northeastern China: Its occurrence, alteration, and implications for REE mineralization. The Canadian Mineralogist, 57 (6) 903-924 doi:10.3749/canmin.1900042 | Journal (article/letter/editorial) | 903-924 (2019) DOI: 10.3749/canmin.1900042 RINKITE-(Ce) IN THE NEPHELINE SYENITE PEGMATITE FROM THE...characterized by REE mineralization, mainly rinkite-(Ce) and associated alteration minerals. As the most...abundant REE-bearing mineral in the pegmatite, rinkite-(Ce) closely coexists with microcline, nepheline...nepheline, natrolite, and calcite. Some rinkite-(Ce) grains show compositional sector-zonation, in which the inner...concentrations, but low Zr, REE, and Na contents. Primary rinkite-(Ce) has undergone multiple episodes of fluid interactions | | van de Ven, Mathijs A. J., Borst, Anouk M., Davies, Gareth R., Hunt, Emma J., Finch, Adrian A. (2019) Hydrothermal Alteration of Eudialyte-Hosted Critical Metal Deposits: Fluid Source and Implications for Deposit Grade. Minerals, 9 (7) 422 doi:10.3390/min9070422 | Journal (article/letter/editorial) | complex Na–Ca–HFSE silicates such as eudialyte- and rinkite-group minerals instead of more common (miaskitic)...Four additional REE-minerals (rinkite-(Ce), nacareniobsite-(Ce), vitusite-(Ce) and epidote) from various...Nacareniobsite-(Ce) Allanite-(Ce) A1-type Ca-REE-P-silicates1,2 Apatite Monazite-(Ce) Fergusonite-(Y)...x x (Ca, Ba, Ce)5 (SiO4 , PO4 )3 (OH, F) x x x Ca4.5 REE0.5 (PO4 )3 (F, Cl, OH) (Ce, La, Nd, Th)PO4...pegmatite zone (rinkite-(Ce)), from the arfvedsonite-lujavrite (vitusite-(Ce), nacareniobsite-(Ce)) and from |
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