The Collaborative International Dictionary of English v.0.48:

Elaeolite \E*l[ae]"o*lite\, n. [Gr. ? olive oil, oil + -lite.]
   (Min.)
   A variety of hephelite, usually massive, of greasy luster,
   and gray to reddish color.
   [1913 Webster]

   El[ae]olite syenite, a kind of syenite characterized by the
      presence of el[ae]olite.
      [1913 Webster]