Definify.com
Webster 1913 Edition
Botryolite
Bot′ry-o-lite
,Noun.
 [Gr. 
[GREEK] 
cluster of grapes + -lite
.] (Min.) 
A variety of datolite, usually having a botryoidal structure. 
Webster 1828 Edition
Botryolite
BO'TRYOLITE
,Noun.
 Literally, grape-stone.  This mineral occurs in mammilliary or botryoidal concretions, in a bed of magnetic iron in gneiss, near Arendal in Norway.  Its colors are pearl-gray, grayish or reddish white, and pale rose-red, and form concentric stripes.
Botryolite is a variety of siliceous borate of lime.  It is found near the Passaic falls in New Jersey.
Definition 2025
botryolite
botryolite
English
Noun
botryolite (uncountable)
- (mineralogy) A variety of datolite, usually having a botryoidal structure.