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Cerite
Cerite is a complex silicate mineral group containing cerium, formula (Ce,La,Ca)9(Mg,Fe+3)(SiO4)6(SiO3OH)(OH)3.〔http://rruff.geo.arizona.edu/doclib/hom/ceritece.pdf Handbook of Mineralogy〕 The cerium and lanthanum content varies with the Ce rich species (cerite-(Ce)) and the La rich species (cerite-(La)).〔http://www.mindat.org/min-931.html Mindat Cerite-(Ce)〕〔http://www.mindat.org/min-26408.html Mindat Cerite-(La)〕 Analysis of a sample from the Mountain Pass carbonatite gave 35.05% Ce2O3 and 30.04% La2O3.〔 Cerite was first described in 1803 for an occurrence in Bastnäs in Västmanland, Sweden.〔http://webmineral.com/data/Cerite-(Ce).shtml Webmineral (Ce)〕 The lanthanum rich species, cerite-(La) was first described for an occurrence in the Khibina massif, Kola Peninsula, Russia in 2002.〔http://webmineral.com/data/Cerite-(La).shtml Webmineral (La)〕 ==See also==
* Classification of minerals * List of minerals
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Cerite」の詳細全文を読む
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