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On systematization of Y and REE carbonates
Abstract. Data on crystalline structures of Y and REE carbonates allow one to carry out the crystal chemical analysis and to classify them according to structural-geometrical features. Studying the crystalline models of Y and REE carbonates in the context of evolution of three main polymorphic modifications of СаСО3: vaterite, calcite and aragonite, it is possible to create all known structures of Y-REE carbonates or fragments of their crystalline structures. There are four groups in these minerals distinguished by the type of atom coordination of Y and REE by (CO3) groups. An experience of classification of Y-REE carbonates may be used in crystal chemical analysis of similar minerals of other classes.
Printed reference: Voloshin A.V. On systematization of Y and REE carbonates // Vestnik of MSTU. 2000. V. 3, No 2. P. -.
Electronic reference: Voloshin A.V. On systematization of Y and REE carbonates // Vestnik of MSTU. 2000. V. 3, No 2. P. -. URL: http://vestnik.mstu.edu.ru/v03_2_n07/articles/06_volos.zip.
(In Russian, p.8, fig. 13, tables 4, ref 5, MS Word 95, WinZip)
