Found 2 items, similar to Idocrase.
English → English (WordNet) Definition: idocrase idocrase n : a green or yellow or brown mineral consisting of a hydrated silicate; it occurs as crystals in limestone and is used a gemstone [syn: vesuvianite, vesuvian]
English → English (gcide) Definition: Idocrase Idocrase \Id"o*crase\ ([i^]d"[-o]*kr[=a]s; 277), n. [Gr. e'i^dos form + kra^sis mixture, from keranny`nai to mix; cf. F. idocrase.] (Min.) Same as Vesuvianite. [1913 Webster]