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Webster 1913 Edition
Idocrase
Id′o-crase
(ĭd′ō̍-krās; 277)
, Noun.
[Gr.
εἶδοσ
form + κρᾶσισ
mixture, from κεραννύναι
to mix; cf. F. idocrase
.] (Min.)
Same as
Vesuvianite
. Webster 1828 Edition
Idocrase
ID'OCRASE
,Noun.
A mineral, the vesuvian of Werner, sometimes massive,and very often in shining prismatic crystals. Its primitive form is a four-sided prism with square bases. It is found near Vesuvius, in unaltered rocks ejected by the volcano; also in primitive rocks, in various other localities.