Lepidolite

ahd-5
  • noun. A lilac or pink to gray mineral of the mica group, K(Li,Al)3(Si,Al)4O10(F,OH)2, used as lithium ore and in ceramic production.
  • The Century Dictionary and Cyclopedia
  • noun. Lithia mica.
  • the GNU version of the Collaborative International Dictionary of English
  • noun. A species of mica, of a lilac or rose-violet color, containing lithia. It usually occurs in masses consisting of small scales. See mica.
  • Wiktionary, Creative Commons Attribution/Share-Alike License
  • noun. A pale lilac mica mineral that is a mixed basic fluoride and aluminosilicate of potassium, lithium and aluminium
  • WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
  • noun. a mineral of the mica group; an important source of lithium