Colemanite

1 definition found

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

  Colemanite \Cole"man*ite\, n. [From W.T. Coleman of San
     Francisco.] (Min.)
     A hydrous borate of lime occurring in transparent colorless
     or white crystals, also massive, in Southern California.
     [1913 Webster]