As nouns the difference between spherule and variolite
is that spherule is a small sphere while variolite is (geology) a kind of diorite or diabase with embedded whitish spherules, which give the rock a spotted appearance.
spherule
English
Noun
(
Martian spherules)
(
en noun)
A small sphere.
Derived terms
* spherular
* sphaerolite, spherolithe
* Martian spherule
See also
* ball (in topology )
variolite
English
Noun
(geology) A kind of diorite or diabase with embedded whitish spherules, which give the rock a spotted appearance.
(
Webster 1913)