Idocrase

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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]



From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Vesuvianite \Ve*su"vi*an*ite\, n. (Min.)
     A mineral occurring in tetragonal crystals, and also massive,
     of a brown to green color, rarely sulphur yellow and blue. It
     is a silicate of alumina and lime with some iron magnesia,
     and is common at Vesuvius. Also called {idocrase}.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:

  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}]