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Webster 1913 Edition
Epistilbite
Epˊi-stil′bite
,Noun.
[Pref.
epi-
+ stilbite
.] (Min.)
A crystallized, transparent mineral of the Zeolite family. It is a hydrous silicate of alumina and lime.
Webster 1828 Edition
Epistilbite
EPISTIL'BITE
,Noun.