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About Monazite-(Nd)Hide

5 - 5½
Member of:
From the Greek μουάζειυ "to be solitary" in allusion to the rarity of its presence in the first known localities, plus "Nd" as the Nd-dominant member of the Monazite series.

Classification of Monazite-(Nd)Hide

Approval Year:

A : Phosphates, etc. without additional anions, without H2O
D : With only large cations

4 : AXO4

19 : Phosphates
9 : Phosphates of rare earths and Sc

Physical Properties of Monazite-(Nd)Hide

5 - 5½ on Mohs scale

Optical Data of Monazite-(Nd)Hide

Biaxial (+)
RI values:
nα = 1.770 - 1.800 nβ = 1.771 - 1.802 nγ = 1.830 - 1.850
Max Birefringence:
δ = 0.060
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High

Chemical Properties of Monazite-(Nd)Hide


Type Occurrence of Monazite-(Nd)Hide

Synonyms of Monazite-(Nd)Hide

Other Language Names for Monazite-(Nd)Hide

Simplified Chinese:钕独居石
Traditional Chinese:釹獨居石

Relationship of Monazite-(Nd) to other SpeciesHide

Member of:
Other Members of this group:
CheraliteCaTh(PO4)2Mon. 2/m
Monazite-(Ce)Ce(PO4)Mon. 2/m : P21/b
Monazite-(Sm)Sm(PO4)Mon. 2/m : P21/m
RooseveltiteBi(AsO4)Mon. 2/m
Unnamed (Gd-dominant monazite)(Gd,Y,Dy,Sm,Nd,Th,Ca)(PO4)

Related Minerals - Nickel-Strunz GroupingHide

8.AD.05NahpoiteNa2HPO4Mon. 2/m : P21/m
8.AD.10MonetiteCa(HPO4)Tric. 1
8.AD.10WeiliteCa(HAsO4)Tric. 1 : P1
8.AD.10ŠvenekiteCa(H2AsO4)2Tric. 1 : P1
8.AD.15Archerite(K,NH4)(H2PO4)Tet. 4 2m : I4 2d
8.AD.15Biphosphammite(NH4,K)(H2PO4)Tet. 4 2 2 : I41 2 2
8.AD.20Phosphammite(NH4)2(HPO4)Mon. 2/m : P21/b
8.AD.25BuchwalditeNaCa(PO4)Orth. mm2 : Pmn21
8.AD.30SchultenitePb(HAsO4)Mon. 2/m : P2/b
8.AD.35Chernovite-(Y)Y(AsO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
8.AD.35DreyeriteBi(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
8.AD.35Wakefieldite-(Ce)Ce(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
8.AD.35Wakefieldite-(Y)Y(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
8.AD.35Xenotime-(Y)Y(PO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
8.AD.35Wakefieldite-(La)La(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
8.AD.35Wakefieldite-(Nd)Nd(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
8.AD.40PucheriteBi(VO4)Orth. mmm (2/m 2/m 2/m)
8.AD.50Monazite-(Ce)Ce(PO4)Mon. 2/m : P21/b
8.AD.50RooseveltiteBi(AsO4)Mon. 2/m
8.AD.50CheraliteCaTh(PO4)2Mon. 2/m
8.AD.50Monazite-(Sm)Sm(PO4)Mon. 2/m : P21/m
8.AD.60Chursinite(Hg+2)0.5Hg2+(AsO4)Mon. 2/m : P21/b
8.AD.65ClinobisvaniteBi(VO4)Mon. 2/m

Related Minerals - Dana Grouping (8th Ed.)Hide 2/m : P21/b 2/m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

19.9.1Xenotime-(Y)Y(PO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
19.9.2Churchite-(Y)Y(PO4) · 2H2OMon. 2/m : B2/b
19.9.3Monazite-(Ce)Ce(PO4)Mon. 2/m : P21/b
19.9.6Rhabdophane-(Ce)Ce(PO4) · H2OHex. 6 2 2 : P62 2 2
19.9.7Rhabdophane-(La)La(PO4) · H2OHex. 6 2 2 : P62 2 2
19.9.8Rhabdophane-(Nd)Nd(PO4) · H2OHex. 6 2 2 : P62 2 2
19.9.9Vitusite-(Ce)Na3(Ce,La,Nd)(PO4)2Orth. mm2 : Pca21
19.9.13KolbeckiteScPO4 · 2H2OMon. 2/m

Other InformationHide

Health Risks:
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-(Nd)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist (1983): 68: 849.
Graeser, St. & Schwander, H. (1987): Gasparite-(Ce) and monazite-(Nd): two new minerals to the monazite group from the Alps. Schweiz. Mineral. Petrogr. Mitt., 67, 101-113.
American Mineralogist (1988): 73: 1495.
Schweizerische mineralogische und petrographische Mitteilungen (1987): 67: 103-113.

Internet Links for Monazite-(Nd)Hide

Localities for Monazite-(Nd)Hide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
  • Salta
M. del Blanco, H. Echeveste y R. Plá (1996). Mineralización de tierras raras y torio en carbonatitas, sierra de Cobres, provincias de Salta y Jujuy. 3ra Reunión de Mineralogía y Metalogenia. Instituto de Recursos Minerales, UNLP. Publicación 5:91-97.
      • Cobres
M. del Blanco, H. Echeveste, H. y R. Plá (1996). Mineralización de tierras raras y torio en carbonatitas, sierra de Cobres, provincias de Salta y Jujuy. 3ra Reunión de Mineralogía y Metalogenia. Instituto de Recursos Minerales, UNLP. Publicación 5:91-97.
  • Tasmania
    • Circular Head municipality
      • Interview River district
Bottrill & Baker (in prep) Catalogue of minerals of Tasmania
  • Québec
    • Nord-du-Québec
      • Nunavik
Mitchell, R.H. & Smith, D.L. (2017) Geology and mineralogy of the Ashram zone carbonatite, Eldor complex, Quebec. Ore Geology Reviews 86, 784-806.
  • Jilin
    • Tonghua
      • Tonghua Co.
Guimei Yu and Liangchao Zhao (1988): Acta Mineralogica Sinica 8(1), 25-30
Czech Republic
  • Plzeň Region
    • Rožmitál pod Třemšínem
      • Nové Mitrovice
Scharm, B. & Scharmová, M. (2000) Accessory minerals of siliceous rocks from the Kokšín hill near Mítov (Barrandian Neoproterozoic). Bulletin of Geosciences, 75(3), 307-318.
DR Congo
Tony Nikischer
  • Ostrobothnia
Al-Ani Thair, Sarapää Olli and Torppa Akseli 2010. Petrography and Mineralogy of REE-bearing minerals of Iivaara, Otanmäki and Korsnäs alkaline rocks. Geologian Tutkimuskeskus arkistoraportti M42/2010/15
  • Attica
    • West Attica
      • Megara
Bull. Acad. Serbe Sci. Art,72, #20, 35-42
Italy (TL)
  • Piedmont
    • Verbano-Cusio-Ossola Province
      • Ossola Valley
        • Formazza Valley
          • Formazza
            • Vallone del Vannino
Graeser, St. & Schwander, H. (1987): Gasparite-(Ce) and monazite-(Nd): two new minerals to the monazite group from the Alps. Schweiz. Mineral. Petrogr. Mitt.: 67, 101-113.
  • Kagawa
Minakawa (1986) Sanko-Gakkai Kou'en-Youshi, 72.
Northwest Africa Meteorites
Liu, Y., Ma, C., Beckett, J.R., Chen, Y., Guan, Y. (2016): Rare-earth-element minerals in martian breccia meteorites NWA 7034 and 7533: Implications for fluid–rock interaction in the Martian crust. Earth and Planetary Science Letters: 451: 251-262; http://forum.amiminerals.it/viewtopic.php?f=5&t=12964 (2016)
  • Irkutsk Oblast
    • Bodaibo
      • Lena Gold District
        • Kropotkinsky ore cluster
http://www.igem.ru/igem/chem/pt/sukhloge.htm; Pavel M. Kartashov data
  • Komi Republic
    • Kozhim River Basin
      • Maldynyrd range (Maldy-nyrd range)
        • Grubependity Lake
Repina, S.A. (2008): Geology of Ore Deposits 50(7), 609-619.
  • Banská Bystrica Region
    • Banská Bystrica Co.
      • Ľubietová (Libetbánya; Libethen)
Ozdín, D. (2015) Mineralogická charakteristika Fe-zrudnenia východne od Ľubietovej. Esemestník, 4, 2, 37-38 (in Slovak).
    • Brezno Co.
      • Bacúch
Pršek, J., Ondrejka, M., Bačík, P., Budzyń, B., & Uher, P. (2010). Metamorphic-hydrothermal REE minerals in the Bacúch magnetite deposit, Western Carpathians, Slovakia:(Sr, S)-rich monazite-(Ce) and Nd-dominant hingganite. The Canadian Mineralogist, 48(1), 81-94.
  • Košice Region
    • Rožňava Co.
      • Rožňava (Rosenau; Rozsnyó)
        • Čučma
Števko M., Uher P., Ondrejka M., Ozdín D., Bačík P., 2014: Quartz-apatite-REE phosphates-uraninite vein mineralization near Čučma (eastern Slovakia): a product of early Alpine hydrothermal activity in the Gemeric superunit, Western Carpathians. Journal of Geosciences, 59, 209-222.
South Africa
  • Mpumalanga
    • Nkangala District
      • Mkobola
Atanasova, M., Cairncross, B. and Windisch, W.R. (2016) Microminerals of the Bushveld Complex, South Africa. Popular Geoscience Series 6, Council for Geoscience, Pretoria, South Africa, 57 pg
  • Wallis (Valais)
    • Binn Valley
      • Saflisch Valley
Krzemnicki, M. (1992) - unpublished thesis.
  • New Mexico
    • Rio Arriba Co.
Gunnar Färber
  • North Carolina
    • Yancey Co.
      • Spruce Pine District
        • Burnsville
          • Hurricane Mountain
  • Wisconsin
    • Marathon Co.
      • Wausau Intrusive Complex
Hanson, S.L., et al (1999) Rocks and Minerals, 74, 184
Thomas Buchholz, 1999 "Minerals of a Wausau Pegmatite, Marathon County, Wisconsin", Rocks and Minerals, vol .74 #4, p. 254 - 258.
Hanson, S.L., et al (1999) Rocks and Minerals, 74, 184
Mineral and/or Locality  
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