vesuvianite

2 definitions found

vesuvianite - Collaborative International Dictionary of English v.0.48 :

  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]

vesuvianite - WordNet (r) 2.1 (2005) :

  vesuvianite
      n 1: 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, idocrase]