Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A usually yellow to orange-brown mineral, PbMoO4, used as a molybdenum ore.
from The Century Dictionary.
- noun Native lead molybdate, a mineral of a bright-yellow to orange, red, green, or brown color and resinous to adamantine luster.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Min.) 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 Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy An orange
mineral , lead molybdate,Pb Mo O 4, found inlead veins.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a yellow to orange or brown mineral used as a molybdenum ore
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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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.
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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.
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A minor amount is recovered from the mineral wulfenite.
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Molybdenum is also found in the mineral wulfenite (Pb (MoO4), lead molybdate).
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Deposits of wulfenite have been worked on a small scale in Arizona.
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The chief ore minerals are molybdenite (molybdenum sulphide) and wulfenite (lead molybdate).
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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.
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There were other mines that were quite productive though including a few gold mines along with uranium, asbestos, vanadinite and wulfenite mines.
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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.
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Not wulfenite and peacock coal and hornblende, they’re not.
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