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机译:Non-metamict zirconolite polytypes from the feldspathoid-bearing alkali-syenitic ejecta of the Vico volcanic complex (Latium, Italy)
Museo di Mineralogia, Universita di Roma La Sapienza, P. Aldo Moro 5, I-00185 Roma, Italy;
Dipartimento di Scienze della Terra, Universita della Calabria, I-87036 Arcavacata di Rende (CS), Italy;
Department of Mineralogy, The Natural History Museum, Cromwell Road, London SW7 5BD, UKAustralian Nuclear Science and Technology Organisation, PMB 1, Menai, NSW 2234, Australia;
Tre Croci; Vico volcanic complex (Latium; Italy); zirconolite; polytypes; cell parameters; crystal-chemistry;