Wakefieldite-(La)

Wakefieldite-(La) (LaVO4) is the lanthanum analogue of the uncommon rare-earth element vanadate mineral Wakefieldite. It is a member of the xenotime group.

Wakefieldite-(La)
Wakefieldite-(La) on hausmannite
General
CategoryRare-earth mineral
Formula
(repeating unit)
(LaVO4)
IMA symbolWf-La[1]
Strunz classification8.AD.35
Dana classification38.4.9.6
Crystal systemTetragonal
Crystal classDitetragonal dipyramidal (4/mmm)
H-M symbol: (4/m 2/m 2/m)
Space groupI41/amd
Identification
ColorLight pink, brown
Crystal habitPrismatic crystals
CleavageNone Observed, possible {100}
FractureIrregular
Tenacitybrittle
Mohs scale hardness4
LusterAdamantine
Streakwhite
DiaphaneityTransparent, Translucent
Specific gravity4.703 (calculated)
Optical propertiesUniaxial (+)
References[2]

Wakefieldite-(La) was first described in 2008 for an occurrence in the Glücksstern mine, Gottlob Hill, Friedrichroda, Thuringia, Germany.[3]

References

  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. Wakefieldite-(La), Mindat.org, retrieved 2 August 2022
  3. Webmineral data, Wakefieldite-(La).
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