elaeolite

from The Century Dictionary.

• noun A coarse massive variety of nephelite, of a waxy, greasy luster, and presenting various shades of green, gray, and red.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Min.) A variety of hephelite, usually massive, of greasy luster, and gray to reddish color.
• noun a kind of syenite characterized by the presence of elæolite.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

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