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Monazite

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Member of:Monazite Group
Name:From the Greek μονάζει "to be solitary" in allusion to the rarity of its presence in the first known localities.


Unclassified members of the Monazite Group. See also: Monazite-(Ce),Monazite-(La), Monazite-(Nd), Monazite-(Sm), Unnamed (Gd-dominant monazite),

The name monazite, without a elemental suffix, was the accepted name for all material in this group, regardless of the REE-bearing components' relative abundance. The suffixes were added when the naming convention for all REE-bearing members was devised and implemented.

The great majority of "monazite" is monazite-(Ce), the La-, Nd-, Sm- and Gd-dominant members are all very rare.

Monazite usually contains small amounts of Th or sometimes U, both making it radioactive.

For "monazite-(Y)", see "písekite-(Y) (this has a pyrochlore structures and thus is not a member of this group)".

Visit gemdat.org for gemological information about Monazite. Currently in public beta-test.

Classification of Monazite

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Crystallography of Monazite

Crystal Atlas:
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Monazite no.1 - Goldschmidt (1913-1926)
Monazite no.37 - Goldschmidt (1913-1926)
Monazite no.116 - Goldschmidt (1913-1926)

About Crystal Atlas

The mindat.org Crystal Atlas allows you to view a selection of crystal drawings of real and idealised crystal forms for this mineral and, in certain cases, 3d rotating crystal objects. The 3d models and HTML5 code are kindly provided by www.smorf.nl.

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Relationship of Monazite to other Species

Member of:Monazite Group
Other Members of Group:

- +
Cheralite
(Ca,Ce)(Th,Ce)(PO
 
4
)
 
2
Gasparite-(Ce)
(Ce,REE)(AsO
 
4
)
Monazite-(Ce)
(Ce,La,Nd,Th)(PO
 
4
)
Monazite-(La)
(La,Ce,Nd)(PO
 
4
)
Monazite-(Nd)
(Nd,La,Ce)(PO
 
4
)
Monazite-(Sm)
(Sm,Gd,Ce,Th)(PO
 
4
)
Rooseveltite
Bi(AsO
 
4
)
Turnerite
Unnamed (Gd-dominant monazite)
((Gd,Y,Dy,Sm,Nd),Th,Ca)PO
 
4

Other Names for Monazite

Synonyms:
Urdite
Other Languages:
Dutch:Monaziet
French:Monazite
German:Monazit
Hebrew:מונזיט
Italian:Monazite
Japanese:モナズ石
Korean:모나자이트
Norwegian (Bokmål):Urdit
Polish:Monacyt
Portuguese:Monazita
Russian:Монацит
Simplified Chinese:独居石
磷铈镧矿
Spanish:Monazita
Swedish:Monazit
Tajik (Cyrillic Script):Монтсит
Telugu:మోనజైట్
Traditional Chinese:獨居石
磷鈰鑭礦
Turkish:Monazit
Ukrainian:Монацит

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Monazite

Reference List:

- +
Breithaupt (1829) Journal für Chemie und Physik, Nuremberg: 55: 301 (as Monazit).

Brooke (1831) Philosophical Magazine and Journal of Science: 10: 139 (as Mengite).

Palache, C., Berman, H., & Frondel, C. (1951) The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 691-696.

Overstreet, W.C. (1967) The geologic occurrence of monazite. USGS Professional Paper 530: 114-118.

Demartin, F., Pilati, T., Diella, V., Donzelli, S., Gramaccioli, C.M. (1991a) Alpine monazite: further data. Can. Mineral., 29, 61-67.

Pan, Y., Fleet, M.E., and MacRae, N.D. (1993) Oriented monazite inclusions in apatite porphyroblasts from the Hemo gold deposit, Ontario, Canada. Mineralogical Magazine: 57: 697-707.

Nicolas Clavier, Renaud Podor, Nicolas Dacheux (2011): Crystal chemistry of the monazite structure. Journal of the European Ceramic Society, 31, 941-976.

Mindat.org articles about Monazite

Article entries:
Monazite with feldspar inclusionsAlan Melbourne

Internet Links for Monazite

Search Engines:
  • Look for Monazite on Google
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  • Mineral Dealers:
  • Search for Monazite on Well-Arranged Molecules
  • Buy RARE Minerals from Rocks of Africa
  • Monazite specimens for sale - minfind.com
  • The Arkenstone - Fine Minerals
  • Fine and rare minerals from mintreasure.com
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  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
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  • SpiriferMinerals.com - high quality low prices
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Specimens:The following Monazite specimens are currently listed for sale on minfind.com.

    Localities for Monazite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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