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Wakefieldite-(La)

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Formula:
La(VO4)
Colour:
light pinkish to brown
Lustre:
Adamantine
Hardness:
4
Specific Gravity:
4.703 (Calculated)
Crystal System:
Tetragonal
Member of:
Name:
Lanthanum-dominant analogue of wakefieldite-(Ce), wakefieldite-(Y) and wakefieldite-(Nd)
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Classification of Wakefieldite-(La)Hide

Approved
Approval Year:
2007
8.AD.35

8 : PHOSPHATES, ARSENATES, VANADATES
A : Phosphates, etc. without additional anions, without H2O
D : With only large cations
38.4.9.6

38 : ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
4 : AXO4

Physical Properties of Wakefieldite-(La)Hide

Adamantine
Transparency:
Transparent, Translucent
Colour:
light pinkish to brown
Streak:
white
Hardness:
Hardness Data:
Measured
Density:
4.703 g/cm3 (Calculated)

Optical Data of Wakefieldite-(La)Hide

Type:
Uniaxial (+)

Chemical Properties of Wakefieldite-(La)Hide

Formula:
La(VO4)
IMA Formula:
LaVO4

Crystallography of Wakefieldite-(La)Hide

Crystal System:
Tetragonal
Class (H-M):
4/mmm (4/m 2/m 2/m) - Ditetragonal Dipyramidal
Space Group:
I41/amd
Cell Parameters:
a = 7.406(4) Å, c = 6.504(8) Å
Ratio:
a:c = 1 : 0.878
Unit Cell V:
356.8 ų

Type Occurrence of Wakefieldite-(La)Hide

General Appearance of Type Material:
prismatic crystals up to 0.5mm in length
Associated Minerals at Type Locality:

Synonyms of Wakefieldite-(La)Hide

Other Language Names for Wakefieldite-(La)Hide

Simplified Chinese:钒镧石

Relationship of Wakefieldite-(La) to other SpeciesHide

Member of:
Other Members of this group:
Chernovite-(Y)Y(AsO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
PretuliteSc(PO4)Tet.
Wakefieldite-(Ce)Ce(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
Wakefieldite-(Nd)Nd(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
Wakefieldite-(Y)Y(VO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
Xenotime-(Y)Y(PO4)Tet. 4/mmm (4/m 2/m 2/m) : I41/amd
Xenotime-(Yb)Yb(PO4)Tet.

Common AssociatesHide

Associated Minerals Based on Photo Data:
Hausmannite1 photo of Wakefieldite-(La) associated with Hausmannite on mindat.org.

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.35PretuliteSc(PO4)Tet.
8.AD.35Xenotime-(Yb)Yb(PO4)Tet.
8.AD.40PucheriteBi(VO4)Orth. mmm (2/m 2/m 2/m)
8.AD.45XimengiteBi(PO4)Trig.
8.AD.50Gasparite-(Ce)Ce(AsO4)
8.AD.50Monazite-(Ce)Ce(PO4)Mon. 2/m : P21/b
8.AD.50Monazite-(La)La(PO4)
8.AD.50Monazite-(Nd)Nd(PO4)
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.50UM2005-35-VO:CaFePSiTh(Th,Ca)(VO4,SiO4,PO4)
8.AD.55TetrarooseveltiteBi(AsO4)Tet.
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

38.4.9.1XimengiteBi(PO4)Trig.

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 Wakefieldite-(La)Hide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Witzke, T., U. Kolitsch, J.M. Warnsloh & J. Göske (2008): Wakefieldite-(La), a new mineral species from the Glücksstern Mine, Friedrichroda, Thuringia, Germany. European J. Mineralogy 20, 1135-1139.

Internet Links for Wakefieldite-(La)Hide

Localities for Wakefieldite-(La)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.
Germany
 
  • Rhineland-Palatinate
    • Eifel
      • Mayen
        • Ettringen
          • Bellerberg volcano
Blass, G., (2010): Die neuen Mineralienfunde aus der Vulkaneifel, Mineralienwelt, Vol. 05, 2010
  • Thuringia
    • Thuringian Forest
      • Friedrichroda
        • Gottlob Hill
Witzke, T., U. Kolitsch, J.M. Warnsloh & J. Göske (2008): Wakefieldite-(La), a new mineral species from the Glücksstern Mine, Friedrichroda, Thuringia, Germany. European J. Mineralogy 20, 1135-1139.
Italy
 
  • Liguria
    • La Spezia Province
      • Vara Valley
        • Borghetto Vara
analysed by Dr. Anthony Kampf, Natural History Museum of Los Angeles County, USA
Mineral and/or Locality  
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