Gmelinite-Na is one of the rarer zeolites but the commonest member of the gmelinite series, gmelinite-Ca, gmelinite-K and gmelinite-Na. It is closely related to the very similar mineral chabazite. Gmelinite was named as a single species in 1825 after Christian Gottlob Gmelin (1792–1860) professor of chemistry and mineralogist from Tübingen, Ger... Found on http://en.wikipedia.org/wiki/Gmelinite
hydrated sodium aluminosilicate mineral in the zeolite family [(Na2,Ca)Al2Si4O126H2O]. Its crystal structure and chemical composition are similar to ... [1 related articles] Found on http://www.britannica.com/eb/a-z/g/40
Gmel'in·ite noun [ Named after the German chemist Gmelin .] (Min.) A rhombohedral zeolitic mineral, related in form and composition to chabazite. Found on http://www.encyclo.co.uk/webster/G/38