Leucopyrite


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Leu`cop´y`rite

    (lũ`kǒp´ĭ`rīt)
n.1.(Min.) A mineral of a color between white and steel-gray, with a metallic luster, and consisting chiefly of arsenic and iron.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.