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Monazite-(Ce)

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Monazite-(Ce)
Monazite-(Ce), Quartz.

Locality: Siglo Veinte Mine (Siglo XX Mine; Llallagua Mine; Catavi), Llallagua, Rafael Bustillo Province, Potosí Department, Bolivia (Locality at mindat.org).

Size: 3.5 × 2.6 × 1.3 cm.
General
CategoryPhosphate mineral
Formula
(repeating unit)
CePO4
IMA symbolMnz-Ce[1]
Crystal systemMonoclinic
Crystal classPrismatic: 2/m
Space groupP21/b
Unit cella = 6.7902, b = 7.0203, c = 6.4674 [Å]; β = 103.6°
Identification
References[2]

Monazite-(Ce) (CePO4) is the most common representative of the monazite group. It is the cerium-dominant analogue of monazite-(La), monazite-(Nd), and monazite-(Sm). It is also the phosphorus analogue of gasparite-(Ce).[3] The group contains simple rare earth phosphate minerals with the general formula of AXO4, where A = Ce, La, Nd, or Sm (or, rarely, Bi), and X = P or, rarely, As. The A site may also bear Ca and Th.[4]

References

[edit]
  1. ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
  2. ^ Mindat, Monazite-(Ce), https://www.mindat.org/min-2751.html
  3. ^ Mindat, Monazite-(Ce), https://www.mindat.org/min-2751.html
  4. ^ Mindat, Monazite Group, https://www.mindat.org/min-29313.html








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