from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A usually yellow to orange-brown mineral, PbMoO4, used as a molybdenum ore.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An orange mineral, lead molybdate, PbMoO4, found in lead veins.

from the GNU version of the Collaborative International Dictionary of English

  • n. Native lead molybdate occurring in tetragonal crystals, usually tabular, and of a bright orange-yellow to red, gray, or brown color; -- also called yellow lead ore.

from The Century Dictionary and Cyclopedia

  • n. Native lead molybdate, a mineral of a bright-yellow to orange, red, green, or brown color and resinous to adamantine luster.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a yellow to orange or brown mineral used as a molybdenum ore


from The American Heritage® Dictionary of the English Language, 4th Edition

German Wulfenit, after Franz Xavier von Wulfen (1728-1805), Austrian mineralogist.

from Wiktionary, Creative Commons Attribution/Share-Alike License

Wulfen +‎ -ite, for Austrian mineralogist Franz Xavier von Wulfen (1728-1805), named in 1841.


  • Hundreds of fossils are locked in glass cases, specimens from all over southern Africa: shells and worms and nautiluses and seed ferns and trilobites, and minerals, too; yellow-green crystals and gleaming clusters of quartz; mosquitoes in drops of amber; scheelite, wulfenite.

    Memory Wall

  • Molybdenum is also found in the mineral wulfenite (Pb (MoO4), lead molybdate).


  • A minor amount is recovered from the mineral wulfenite.


  • Deposits of wulfenite have been worked on a small scale in Arizona.

    The Economic Aspect of Geology

  • The chief ore minerals are molybdenite (molybdenum sulphide) and wulfenite (lead molybdate).

    The Economic Aspect of Geology

  • Molybdenum occurs in nature chiefly as molybdenite (MoS_ {2}); it also occurs in wulfenite, a molybdate of lead (PbMoO_ {4}), and in molybdic ochre (MoO_ {3}).

    A Text-book of Assaying: For the Use of Those Connected with Mines.

  • There were other mines that were quite productive though including a few gold mines along with uranium, asbestos, vanadinite and wulfenite mines.

    Desert News

  • They now knew that quicksilver was mercury, that red wulfenite, peacock coal, and hornblende were all minerals, that wild elephant’s ear, bladderwort, and stinking smut were plants, and that sunfish scales, flyclub, and phoenix feather were parts of animals.

    The Night Of the Solstice

  • Not wulfenite and peacock coal and hornblende, they’re not.

    The Night Of the Solstice

  • It says we need, uh, dwaleberry and red wulfenite, quicksilver and peacock coal, hornblende and wild elephant’s ear, stinking smut and bladderwort, flyclub and phoenix feather and sunfish scales and falcon’s tooth and … He broke off, looking unhappy.

    The Night Of the Solstice


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