The ferrierite group of zeolite minerals (the FER structure) consists of three very similar species: ferrierite-Mg, ferrierite-Na, and ferrierite-K, based on the dominant cation in the A location. Ferrierites are orthorhombic minerals with highly variable cationic composition, (Na,K)2Mg(Si,Al)18O36(OH)·9H2O. Calcium and other ions are often also ...
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http://en.wikipedia.org/wiki/Ferrierite
hydrated aluminosilicate mineral, one of the members of the zeolite family present in sedimentary rocks. The chemical composition of ferrierite is ...
Found on
http://www.britannica.com/eb/a-z/f/19
No exact match found.
