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|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)".
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Classification of Monazite
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Crystallography of Monazite
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About Crystal AtlasThe 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.
Edge Lines | Miller Indicies | Axes
Opaque | Translucent | Transparent
Along a-axis | Along b-axis | Along c-axis | Start rotation | Stop rotation
Relationship of Monazite to other Species
|Member of:||Monazite Group|
|Other Members of Group:|
Other Names for Monazite
|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
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
Internet Links for Monazite
|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.