zeolite

Etymology

From Swedish zeolit, and its source, New Latin zeolites, from Ancient Greek ζέω (zéō, “to boil, bubble”) + -lite.

noun

1. (mineralogy) Any of several minerals, aluminosilicates of sodium, potassium, calcium or magnesium, that have a porous structure (originally, those which swelled and gave off water when heated); they are used in water softeners and in ion exchange chromatography.
   What I liked best were the zeolites from the stacks which rise out of the sea off the coast near Jaci. 1962, WH Auden, Elizabeth Mayer, translating JW Goethe, Italian Journey, Penguin, published 1970, page 284