elaeolite

Century Dictionary and Cyclopedia

1. n. A coarse massive variety of nephelite, of a waxy, greasy luster, and presenting various shades of green, gray, and red. The predominance of soda in its composition renders its alteration a frequent source of zeolites, as thomsonite. Also elaolite.

Wiktionary

1. n. mineralogy A variety of hephelite, usually massive and of a greasy lustre and grey to reddish colour.

GNU Webster's 1913

1. n. (Min.) A variety of hephelite, usually massive, of greasy luster, and gray to reddish color.