Wakefieldite-(Y) Mineral Data + Say WAKEFIELDITE-(Y)

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 IMA Status: IMA Status: Approved IMA 1969
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Synonym: Synonym: ICSD 78074
  IMA1969-012
  PDF 17-341
 

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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 DipyramidalH-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),
Click Here for Large Wakefieldite-(Y) Structure Window Crystal Structure:

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Chakoumakos B C , Abraham M M , Boatner L A , Journal of Solid State Chemistry , 109 (1994) p.197-202, Crystal structure refinements of zircon-type, MVO4 (M = Sc, Y, Ce, Pr, Nd, Tb, Ho, Er, Tm, Yb, Lu), Locality: synthetic

 

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
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:

relectron=3.93 gm/cc
note: rWakefieldite-(Y) =4.26 gm/cc.

Help on Fermion Index Fermion Index Fermion Index = 0.00077
Boson Index = 0.99923
Help on Photoelectric: Photoelectric:

PEWakefieldite-(Y) = 60.46 barns/electron
U=PEWakefieldite-(Y) x relectron= 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: 38.4.11.3 (38)Anhydrous Phosphates, etc
  (38.4)A+ XO4
  (38.4.11)Zenotime Group (Tetragonal: I41/amd)
 
38.4.11.1 Xenotime-(Y) YPO4 I 41/amd 4/m 2/m 2/m
 
38.4.11.2 Chernovite-(Y) YAsO4 I 41/amd 4/m 2/m 2/m
 
38.4.11.3 Wakefieldite-(Y) YVO4 I 41/amd 4/m 2/m 2/m
 
38.4.11.4 Wakefieldite-(Ce) (Ce,Pb,Pb)VO4 I 41/amd 4/m 2/m 2/m
 
38.4.11.5 Pretulite! ScPO4 I 41/amd 4/m 2/m 2/m
 
38.4.11.6 Xenotime-(Yb)! YbPO4 I 41/amd 4/m 2/m 2/m
Help on  Strunz Class: Strunz Class: VII/A.14-30 VII - Phosphates, Arsenates and Vanadates
  VII/A - Waterfree phosphates [PO4]3- without unfamiliar anions, cations of very big size: Ca, Na and andre
  VII/A.14 - Xenotime-(Y) - Wakefieldite-(Ce) series
 
VII/A.14-05 Pretulite! ScPO4 I 41/amd 4/m 2/m 2/m
 
VII/A.14-08 Xenotime-(Yb)! YbPO4 I 41/amd 4/m 2/m 2/m
 
VII/A.14-10 Xenotime-(Y) YPO4 I 41/amd 4/m 2/m 2/m
 
VII/A.14-20 Chernovite-(Y) YAsO4 I 41/amd 4/m 2/m 2/m
 
VII/A.14-25 Chernovite-(Ce)* (Ce,Y)(AsO4) I 41/amd 4/m 2/m 2/m
 
VII/A.14-30 Wakefieldite-(Y) YVO4 I 41/amd 4/m 2/m 2/m
 
VII/A.14-40 Wakefieldite-(Ce) (Ce,Pb,Pb)VO4 I 41/amd 4/m 2/m 2/m
 

Other Wakefieldite-(Y) Information

Help on References: References: 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 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST

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

Wakefieldite-(Y)

YVO4
Dana No: 38.4.11.3 Strunz No: VII/A.14-30
Locality:

 

Notes:

 

 
   
 
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