bastnaesite


bastnaesite

noun

  1. a rare-earth mineral, fluorocarbonate of lanthanum and cerium, with a waxy-yellow to reddish-brown color, commonly associated with zinc ores.

noun

  1. a rare yellow to reddish-brown mineral consisting of a carbonate of fluorine and several lanthanide metals. It occurs in association with zinc and is a source of the lanthanides. Formula: LaFCO 3

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