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Wakefieldite-(Y) Mineral Data

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General Wakefieldite-(Y) Information

Help on Chemical  Formula: Chemical Formula: YVO4
Help on Composition: Composition: Molecular Weight = 203.84 gm
   Yttrium   43.61 %  Y    55.39 % Y2O3
   Vanadium  24.99 %  V    44.61 % V2O5
   Oxygen    31.40 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Y(VO4)
Help on Environment: Environment: Secondary mineral filling cavities in a pegmatite.
Help on IMA Status: IMA Status: Approved IMA 1969
Help on Locality: Locality: Evans Lou mine, St. Pierre near Wakefield, Portland Twp., Papineau, QUE, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Wakefieldite-(Y) + Pronunciation Say WAKEFIELDITE-(Y)
Help on Synonym: Synonym: ICSD 78074
  IMA1969-012
  PDF 17-341
 

Wakefieldite-(Y) Image

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  Wakefieldite-(Y)

Comments: Black rectangular prisms of wakefieldite-(Y) on matrix.
Location: Yellow Lake, British Columbia, Canada. Scale: See Image.
© Rruff Database

Wakefieldite-(Y) Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.88529
Help on Cell Dimensions: Cell Dimensions: a = 7.105, c = 6.29, Z = 4; V = 317.53 Den(Calc)= 4.26
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: I 41/amd
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.56(1), 1.824(0.75), 2.66(0.5),
 

Physical Properties of Wakefieldite-(Y)

Help on Color: Color: Yellow, Light brown, Light yellow brown.
Help on Density: Density: 4.21
Help on Hardness: Hardness: 5 - Apatite
Help on Streak: Streak: white
 

Optical Properties of Wakefieldite-(Y)

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.034 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= -0.022 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2512,KPDmeas= 0.2542,KC= 0.2458
Ncalc = 2.03 - 2.05
Help on Optical Data: Optical Data: Uniaxial (+), w=2, e=2.14, bire=0.1400.
 

Calculated Properties of Wakefieldite-(Y)

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.93 gm/cc
note: Specific Gravity of Wakefieldite-(Y) =4.26 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0007754551
Boson Index = 0.9992245449
Help on Photoelectric: Photoelectric: PEWakefieldite-(Y) = 60.46 barns/electron
U=PEWakefieldite-(Y) x rElectron Density= 237.54 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Wakefieldite-(Y) is Not Radioactive
 

Wakefieldite-(Y) Classification

Help on  Dana Class: Dana Class: 38.04.11.03 (38)Anhydrous Phosphates, etc
  (38.04)A+ XO4
  (38.04.11)Zenotime Group (Tetragonal: I41/amd)
 
38.04.11.01 Xenotime-(Y) YPO4 I 41/amd 4/m 2/m 2/m
 
38.04.11.02 Chernovite-(Y) YAsO4 I 41/amd 4/m 2/m 2/m
 
38.04.11.03 Wakefieldite-(Y) YVO4 I 41/amd 4/m 2/m 2/m
 
38.04.11.04 Wakefieldite-(Ce) (Ce,Pb,Pb)VO4 I 41/amd 4/m 2/m 2/m
 
38.04.11.05 Pretulite! ScPO4 I 41/amd 4/m 2/m 2/m
 
38.04.11.06 Xenotime-(Yb)! YbPO4 I 41/amd 4/m 2/m 2/m
 
38.04.11.07 Wakefieldite-(La)! LaVO4 I 41/amd 4mm
 
38.04.11.08 Wakefieldite-(Nd)! NdVO4 I 41/amd 4mm
Help on  Strunz Class: Strunz Class: 08.AD.35 08 - PHOSPHATES, ARSENATES, VANADATES
  08.A - Phosphates, etc. without additional anions, without H2O
  08.AD -With only large cations
 
08.AD.35 Dreyerite BiVO4 I 41/amd 4/m 2/m 2/m
 
08.AD.35 Chernovite-(Y) YAsO4 I 41/amd 4/m 2/m 2/m
 
08.AD.35 Pretulite! ScPO4 I 41/amd 4/m 2/m 2/m
 
08.AD.35 Xenotime-(Y) YPO4 I 41/amd 4/m 2/m 2/m
 
08.AD.35 Wakefieldite-(Ce) (Ce,Pb,Pb)VO4 I 41/amd 4/m 2/m 2/m
 
08.AD.35 Wakefieldite-(Y) YVO4 I 41/amd 4/m 2/m 2/m
 
08.AD.35 Xenotime-(Yb)! YbPO4 I 41/amd 4/m 2/m 2/m
 
08.AD.35 Wakefieldite-(La)! LaVO4 I 41/amd 4mm
 
08.AD.35 Wakefieldite-(Nd)! NdVO4 I 41/amd 4mm
 

Other Wakefieldite-(Y) Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Wakefieldite-(Y) :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info
13 - WWW-MINCRYST

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Print or Cut-and-Paste your Wakefieldite-(Y) Specimen Label here :

Wakefieldite-(Y)

YVO4
Dana No: 38.04.11.03 Strunz No: 08.AD.35
Locality:

 

Notes:

 

 
   
 


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