Ferberite

Not Acceptable For Game Play

This word is not acceptable for play in the US & UK dictionaries that are being used in the following games:

Wiktionary, Creative Commons Attribution/Share-Alike License
  • n. A monoclinic-prismatic black mineral containing iron, oxygen, and tungsten.
  • The Century Dictionary and Cyclopedia
  • n. A tungstate of iron with a little manganese, found in cleavable masses in Sierra Almagrera in southern Spain.
  • Word Usage
    "Tungsten ores contain tungsten principally in the form of the minerals scheelite (calcium tungstate), ferberite (iron tungstate), hübnerite"