variolite


From The Collaborative International Dictionary of English v.0.48:

Variolite \Va"ri*o*lite\, n. [L. varius various + -lite: cf. F.
   variolite.] (Geol.)
   A kind of diorite or diabase containing imbedded whitish
   spherules, which give the rock a spotted appearance.
   [1913 Webster]
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