%triphylite%

n. [ Pref. tri- + Gr. &unr_; a family, class. So called in allusion to its containing three phosphates. ] (Min.) A mineral of a grayish-green or bluish color, consisting of the phosphates of iron, manganese, and lithia. [ 1913 Webster ]

☞ A salmon-colored or clove-brown variety containing but little iron is known as lithiophilite. [ 1913 Webster ]