Cordierite

2 definitions found

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

  Cordierite \Cor"di*er*ite\ (k[^o]r"d[i^]*[~e]r*[imac]t), n.
     [Named after the geologist Cordier.] (Min.)
     See {Iolite}.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:



  cordierite
       n : a blue mineral of magnesium and iron and aluminum and
           silicon and oxygen; often used as a gemstone