D defs.my
Entry 1 sense Webster, 1913

Ulexite

· U·lex·ite · IPA /juˈlɛkˌsaɪt/
01 n. A mineral occurring in white rounded crystalline masses. It is a hydrous borate of lime and soda.
  1. 1.
    A mineral occurring in white rounded crystalline masses. It is a hydrous borate of lime and soda.(Min.)