idocrase Meaning, Definition & Usage

  1. noun a green or yellow or brown mineral consisting of a hydrated silicate; it occurs as crystals in limestone and is used a gemstone
    vesuvianite; vesuvian.

WordNet

Id"o*crase noun
Etymology
Gr. form + mixture, Fr. to mix; cf. F. idocrase.
Definitions
  1. (Min.) Same as Vesuvianite.

Webster 1913