Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A reddish-brown phosphate mineral containing rare-earth metals, (Ce, La, Nd, Y, Th)PO4, important as a source of cerium and thorium.

from The Century Dictionary.

  • noun A phosphate of the cerium metals, usually containing some thorium silicate.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Min.) A mineral occurring usually in small isolated crystals, -- a phosphate of the cerium metals.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun mineralogy any of a range of reddish-brown minerals that are mixed phosphates of the lighter rare earth elements lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium and yttrium

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

  • noun a reddish-brown mineral containing rare earth metals; an important source of thorium and cerium

Etymologies

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

[Greek monazein, to live alone; see monastery + –ite.]

Examples

  • Some of the country's beach sands contain monazite that yield thorium, which find application in fuels for nuclear reactors.

    India Plans to Step Up Mapping of Rare-Earth Minerals

  • Here also is found monazite, which is mined to some extent.

    North Carolina and its Resources.

  • It is mined with the shovel and pick, the soil and underlying gravel containing the monazite being thrown upon a perforated iron pan at the head of a sluice box, and as this is washed down by a current of water the monazite, which is nearly twice as heavy as ordinary sand, quickly settles to the bottom and is easily separated from the latter.

    North Carolina and its Resources.

  • At the Kulyk Lake showing, a series of red secondary fracture fillings has returned historical values up to 0.22 per cent U3O8 and 1.28 per cent Th. No historical analyses for REE's have been reported, but petrographic work indicated the presence of important REE carrier minerals such as monazite and the heavy rare earth element

    The Earth Times Online Newspaper

  • At the Kulyk Lake showing, a series of red secondary fracture fillings has returned historical values up to 0.22 per cent U3O8 and 1.28 per cent Th. No historical analyses for REE's have been reported, but petrographic work indicated the presence of important REE carrier minerals such as monazite and the heavy rare earth element

    The Earth Times Online Newspaper

  • Other beach sands containing monazite yield titanium, a strong and light futuristic metal, and its mining is under the control of the mines ministry.

    India Plans to Step Up Mapping of Rare-Earth Minerals

  • India produced 122 metric tons of monazite in 2005, according to the last available data with the mines ministry.

    India Plans to Step Up Mapping of Rare-Earth Minerals

  • The main source of titanium in the country are beach sands that contain monazite and ilmenite.

    Nalco Plans Titanium Joint Venture

  • And there are plenty of studies which show no correlation between low doses from natural causes (both from high-altitude, such as residents of Denver, as well as people living in radiation-rich soil regions, such as the monazite sands in India).

    Coyote Blog » Blog Archive » My Personal Experience with Climate Alarmist Spin

  • In the 1950s and 1960s most rare-earth mining occurred in South Africa, India and Brazil where the elements were primarily extracted from the mineral monazite (see chart).

    Bill Chameides: A Cloud in Every Silver Lining: The New Obstacle to a Green-Tech Revolution

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  • "To garner more evidence for a Jurassic-era, continent-crossing river, researchers could scour ancient sandstones for other erosion-resistant minerals such as monazite, Scott D. Samson says. Bits of that mineral are rarer than zircons but have a distinct chemical signature that could help researchers pin down their origins, he notes."

    "Before the Mississippi: Ancient Rivers Flowed West" By Sid Perkins, Science News, as seen here.

    June 8, 2010