 | Zhitova, Elena S., Krivovichev, Sergey V., Yakovenchuk, Viktor N., Ivanyuk, Gregory Yu., Pakhomovsky, Yakov A., Mikhailova, Julia A. (2018) Crystal chemistry of natural layered double hydroxides: 4. Crystal structures and evolution of structural complexity of quintinite polytypes from the Kovdor alkaline-ultrabasic massif, Kola peninsula, Russia. Mineralogical Magazine, 82 (2) 329-346 doi:10.1180/minmag.2017.081.046 | Journal (article/letter/editorial) | | structures and evolution of structural complexity of quintinite polytypes from the Kovdor alkaline-ultrabasic...Associate Editor: Ed Grew] A bstrac t Two quintinite polytypes, 3R and 2T, which are new for the Kovdor alkaline-ultrabasic...structurally characterized. The crystal structure of quintinite-2T was solved by direct methods and refined to...as … =Ab1C = Cb1A=…. The crystal structure of quintinite-3R was solved by direct methods and refined to...= CA=… The study of morphologically different quintinite generations grown on one another detected the |  | | Book | | species (3 + 2 shared with others); the new mineral quintinite was named in his honor. He has several publications...Corporation from 1961 to 1976 (Gold et al. 1986) . The mine was initially an open-pit operation, with two open...continued to investigate the feasibility of opening a mine for the production of "ferrocolumbium" (niobium)...viable orebody and developed plans for an underground mine. Owing to local opposition, it has not received...Parisite-(Ce) Pyrite Pyrophanite Pyrrhotite Quintinite Richterite Romerite Rosenbuschite Rutile Sanidine |
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