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[woo l-fuh-nahyt] /ˈwʊl fəˌnaɪt/
a lead molybdate mineral, PbMoO 4 , occurring usually in tabular crystals, and varying in color from grayish to bright-yellow or red; yellow lead ore.
1840-50; named after F. X. von Wulfen (1728-1805), Austrian scientist; see -ite1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for wulfenite
  • The subjects are azurite, copper, variscite and wulfenite.
  • Occurrences of wulfenite are numerous, but none are of economic importance.
British Dictionary definitions for wulfenite


a yellow, orange, red, or grey lustrous secondary mineral consisting of lead molybdate in the form of platelike tetragonal crystals. It occurs with lead ores and is a source of molybdenum. Formula: PbMoO4
Word Origin
C19: from German Wulfenit, named after F. X. von Wulfen (1728–1805), Austrian mineralogist
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Encyclopedia Article for wulfenite

lead molybdate, PbMoO4, a minor source of molybdenum and the second most common molybdenum mineral. It occurs in the oxidized zone of lead and molybdenum deposits. Fine crystals have been found at Pribram, Czech Republic; Yuma County, Ariz., U.S.; and Mapimi, Durango, Mex. Other localities include Germany, Austria, Sardinia, and Australia.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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