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A detailed microscopic study of sepiolite and palygorskite natural samples reveals that independently of the fiber length they all are composed of other minor width fibers until the minor units or the true crystals. They are prismatic crystals e[...]texto impreso
Stathopoulou, Elizabeth T. ; Súarez Barrios, Mercedes ; García Romero, Emilia ; Sánchez del Río, Manuel ; Kacandes, Georges H. ; Gionis, Vassilis ; Chryssikos, Georgios D. | Mineralogical Society of America. | 2011The mixed dioctahedral-trioctahedral character of Mg-rich palygorskite has been previously described by the formula yMg5 Si8 O20(OH)2(OH2)4(1–y)[xMg2Fe2(1–x)Mg2 Al2] Si8 O20(OH)2(OH2)4, where y is the trioctahedral fraction of this two-chain rib[...]
