\Scap"o*lite\ (sk[a^]p"[-o]*l[imac]t), n. [Gr. ? a
staff, or L. scapus a stem, stalk + -lite: cf. F. scapolite.]
(Mon.)
A grayish white mineral occuring in tetragonal crystals and
in cleavable masses. It is essentially a silicate of alumina
and soda.
Note: The scapolite group includes scapolite proper, or
      wernerite, also meionite, dipyre, etc.