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Delvauxite Delvauxite, also known as borickite, is a yellow to brown to dark brown amorphous mineral, sometimes forming a botryoidal mass.〔http://www.webmineral.com/data/Delvauxite.shtml Webmineral〕 Its chemical formula is CaFe4(PO4,SO4)2(OH)8•(4-6)H2O.〔http://rruff.geo.arizona.edu/doclib/hom/delvauxite.pdf Handbook of Mineralogy〕 It may sometimes form stalactites. It was first described in 1838 by Belgian chemist, Dumont and dedicate to J.S.P.J. Delvaux de Fenffe (1782–1863).〔 It was found in Bernau, Liege, Belgium and Stredocesky, Czech republic.〔 ==References==
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「Delvauxite」の詳細全文を読む
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