Vesuvianite

2 definitions found

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]:

  vesuvianite
       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: {vesuvian}, {idocrase}]