Variolite

Variolites (Latin varius, `speckled, variegated`) are a group of dark green basic igneous rocks that, especially on weathered surfaces, exhibit pale colored spots, or spherules, that give them a pockmarked appearance. In some conditions these spots weather out prominently; they are grey, pale green, violet or yellowish, while the matrix of the r.....
Found on http://en.wikipedia.org/wiki/Variolite

Variolite

• (n.) A kind of diorite or diabase containing imbedded whitish spherules, which give the rock a spotted appearance.
Found on http://thinkexist.com/dictionary/meaning/variolite/

Variolite

Va'ri·o·lite noun [ Latin varius various + -lite : confer French variolite .] (Geol.) A kind of diorite or diabase containing imbedded whitish spherules, which give the rock a spotted appearance.
Found on http://www.encyclo.co.uk/webster/V/8

Variolite

Variolite is a kind of diorite or diabase containing imbedded whitish spherules, which give the rock a spotted appearance.
Found on http://www.probertencyclopaedia.com/browse/HV.HTM
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