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Wicksite Mineral Data

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General Wicksite Information

Help on Chemical  Formula: Chemical Formula: NaCa2(Fe++,Mn++)4MgFe+++(PO4)6•2(H2O)
Help on Composition: Composition: Molecular Weight = 1,011.64 gm
   Sodium       2.27 %  Na    3.06 % Na2O
   Calcium      7.92 %  Ca   11.09 % CaO
   Magnesium    2.40 %  Mg    3.98 % MgO
   Manganese    5.43 %  Mn    7.01 % MnO
   Iron        22.08 %  Fe   21.31 % FeO /  7.89 % Fe2O3
   Phosphorus  18.37 %  P    42.09 % P2O5
   Hydrogen     0.40 %  H     3.56 % H2O
   Oxygen      41.12 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaCa24(Fe2+0.75)4(Mn2+0.25)MgFe3+(PO4)6•2(H2O)
Help on Environment: Environment: Nodules in shale beds in an iron formation.
Help on IMA Status: IMA Status: Approved IMA 1981
Help on Locality: Locality: Big Bend, on the Big Fish River, Big Fish River-Blow River area, Yukon Territory, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Frederick John Wicks (1937- ), Curator of Mineralogy, Royal Ontario Museum, Toronto, Canada.
Help on Name Pronunciation: Name Pronunciation: Wicksite Say WICKSITE
Help on Synonym: Synonym: ICSD 76610
  PDF 35-512

Wicksite Image

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  Wicksite   Wolfeite

Comments: Cleaved nodule of fine-grained aggregate of wicksite and wolfeite.
Location: Big Fish River, Yukon, Canada. Scale: 3 x 1.5 cm.
© Dave Barthelmy

Wicksite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.0307:1:0.9299
Help on Cell Dimensions: Cell Dimensions: a = 12.896, b = 12.511, c = 11.634, Z = 4; V = 1,877.05 Den(Calc)= 3.58
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P bca
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.753(1), 2.91(0.8), 3.015(0.8),

Physical Properties of Wicksite

Help on Cleavage: Cleavage: {010} Good
Help on Color: Color: Bluish black, Dark blue, Black.
Help on Density: Density: 3.54
Help on Hardness: Hardness: 4.5-5 - Near Apatite
Help on Luster: Luster: Sub Metallic
Help on Streak: Streak: green

Optical Properties of Wicksite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.008 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.019 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.201,KPDmeas= 0.2033,KC= 0.2049
Ncalc = 1.73
Help on Optical Data: Optical Data: Biaxial (+), a=1.713, b=1.718, g=1.728, bire=0.0150, 2V(Calc)=72, 2V(Meas)=66.

Calculated Properties of Wicksite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.46 gm/cc
note: Specific Gravity of Wicksite =3.54 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0073888403
Boson Index = 0.9926111597
Help on Photoelectric: Photoelectric: PEWicksite = 9.92 barns/electron
U=PEWicksite x rElectron Density= 34.30 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Wicksite is Not Radioactive

Wicksite Classification

Help on  Dana Class: Dana Class: (40)Hydrated Phosphates, etc
  (40.02)where A++ (B++)2 (XO4) � x(H2O)
  (40.02.10)Dana Group Wicksite NaCa2(Fe,Mn)4MgFe(PO4)6•2(H2O) P bca 2/m 2/m 2/m Bederite! ([],Na)Ca2(Mn,Mg,Fe)2(Fe,Mg,Al)2Mn2(PO4)6•2(H2O) Pcab 2/m 2/m 2/m Tassieite! (Na,[])Ca2(Mg,Fe,Fe)2(Fe,Mg)2(Fe,Mg)2(PO4)6(H2O)2 P bca 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 08.CF.05 08 - PHOSPHATES, ARSENATES, VANADATES
  08.C - Phosphates without Additional Anions, with H2O
  08.CF -With large and medium-sized cations, RO4:H2O > 1:1
08.CF.05 Grischunite NaCa2Mn5Fe(AsO4)6•2(H2O) Pcab 2/m 2/m 2/m
08.CF.05 Wicksite NaCa2(Fe,Mn)4MgFe(PO4)6•2(H2O) P bca 2/m 2/m 2/m
08.CF.05 Bederite! ([],Na)Ca2(Mn,Mg,Fe)2(Fe,Mg,Al)2Mn2(PO4)6•2(H2O) Pcab 2/m 2/m 2/m
08.CF.05 Tassieite! (Na,[])Ca2(Mg,Fe,Fe)2(Fe,Mg)2(Fe,Mg)2(PO4)6(H2O)2 P bca 2/m 2/m 2/m

Other Wicksite Information

Help on References: References: NAME( AntBidBlaNic4) 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 Wicksite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Dana No: Strunz No: 08.CF.05





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