 | | Journal (article/letter/editorial) | | gneiss from North Singhbhum Mobile Belt, eastern India Bapi Goswami & Swades Kumar Basu Received: 15 August...November 2012 # Springer-Verlag Wien 2012 Abstract Sushina nepheline syenite gneisses of Early Proterozoic...Proterozoic North Singhbhum Mobile Belt (NSMB), eastern India suffered regional metamorphism under greenschist-amphibolite...e transitional facies condition. The Agpaitic Sushina nepheline syenite gneisses consist of albite, K-feldspar...phases include zircon, hematite, magnetite, rare pyrochlore and occasional eudialyte and manganoan calcic |  | 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) | | ideally Na2Ca4YTi(Si2O7)2OF3, is a new rinkite-group (seidozerite-supergroup) TSblock mineral from the... microcline, neptunite, pectolite, calcite, eudialite-group minerals, fluorite, titanite, turkestanite, kupletskite...kupletskite, galena, albite and pyrochlore-group minerals. Crystals are transparent and colourless to occasionally...nonpleochroic. Rinkite-(Y) is monoclinic, space group P21/c, a = 7.3934(5), b = 5.6347(4), c = 18.713(1)...linkage 1 and stereochemistry typical for the rinkite group (Ti = 1 apfu) of the seidozerite supergroup. For |
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