Kunatite Mineral Data

Kunatite Mineral Data
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General Kunatite Information

Help on Chemical Formula: Chemical Formula: CuFe+++2(PO4)2(OH)2•4H2O
Help on Composition: Composition: Molecular Weight = 454.25 gm
   Iron        24.59 %  Fe   35.16 % Fe2O3
   Copper      13.99 %  Cu   15.75 % Cu2O
   Phosphorus  13.64 %  P    31.25 % P2O5
   Hydrogen     2.00 %  H    17.85 % H2O
   Oxygen      45.79 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CuFe3+2(PO4)2(OH)•4(H2O)
Help on Environment: Environment: Whitmoreite group
Help on IMA Status: IMA Status: Proposed IMA 2007
Help on Locality: Locality: Granite quarry 10 km SSW of the township of Lake Boga, northwestern Victoria, Australia Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Commission on New Minerals, Nomenclature and Classification (CNMNC)
Help on Synonym: Synonym: IMA2007-057
 

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Kunatite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.0209:1:0.5668
Help on Cell Dimensions: Cell Dimensions: a = 9.863, b = 9.661, c = 5.476, Z = 2; beta = 92.45° V = 521.31 Den(Calc)= 2.89
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 9.849(1), 4.386(0.9), 4.924(0.8),6.892(0.8), 2.697(0.6), 4.333(0.45), 4.225(0.35), 2.654(0.31),
 

Optical Properties of Kunatite

Help on Optical Data: Optical Data: NCalc= 1.77 - from Gladstone-Dale relationship (KC = 0.2655) where Ncalc=Dcalc*KC+1
 

Calculated Properties of Kunatite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.85 gm/cc
note: Specific Gravity of Kunatite =2.89 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0054355605
Boson Index = 0.9945644395
Help on Photoelectric: Photoelectric: PEKunatite = 13.94 barns/electron
U=PEKunatite x rElectron Density= 39.73 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Kunatite is Not Radioactive
 

Kunatite Classification
Help on Dana Class: Dana Class: 42.11.18.07 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen
  (42.11)where (AB)4 (XO4)3 Zq · x(H2O)
  (42.11.18)Whitmoreite Group
 
42.11.18.01 Whitmoreite FeFe2(PO4)2(OH)2•4(H2O) P 21/c 2/m
 
42.11.18.02 Arthurite CuFe2(AsO4,PO4,SO4)2(O,OH)2•4(H2O) P 21/c 2/m
 
42.11.18.03 Ojuelaite ZnFe2(AsO4)2(OH)2•4(H2O) P 21/c 2/m
 
42.11.18.04 Earlshannonite (Mn,Fe)Fe2(PO4)2(OH)2•4(H2O) P 21/c 2/m
 
42.11.18.05 Gladiusite! Fe2(Fe,Mg)4(PO4)(OH)13•H2O P 21/n 2/m
 
42.11.18.06 Cobaltarthurite! CoFe2(AsO4)2(OH)2•4(H2O) P 21/c 2/m
 
42.11.18.07 Kunatite CuFe2(PO4)2(OH)2•4H2O P 21/c 2/m
 
42.11.18.08 Bendadaite! FeFe2(AsO4)2(OH)2•4H2O P 21/c 2/m
Help on Strunz Class: Strunz Class: 08.DC.15 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DC -With only medium-sized cations, (OH, etc.):RO4 = 1:1 and < 2:1
 
08.DC.15 Earlshannonite (Mn,Fe)Fe2(PO4)2(OH)2•4(H2O) P 21/c 2/m
 
08.DC.15 Arthurite CuFe2(AsO4,PO4,SO4)2(O,OH)2•4(H2O) P 21/c 2/m
 
08.DC.15 Ojuelaite ZnFe2(AsO4)2(OH)2•4(H2O) P 21/c 2/m
 
08.DC.15 Whitmoreite FeFe2(PO4)2(OH)2•4(H2O) P 21/c 2/m
 
08.DC.15 Cobaltarthurite! CoFe2(AsO4)2(OH)2•4(H2O) P 21/c 2/m
 
08.DC.15 Kunatite CuFe2(PO4)2(OH)2•4H2O P 21/c 2/m
 
08.DC.15 Bendadaite! FeFe2(AsO4)2(OH)2•4H2O P 21/c 2/m
 

Other Kunatite Information
Help on See Also: See Also: Links to other databases for Kunatite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - QUT Mineral Atlas
10 - Ruff.Info

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Print or Cut-and-Paste your Kunatite Specimen Label here :

Kunatite

CuFe+++2(PO4)2(OH)2•4H2O
Dana No: 42.11.18.07 Strunz No: 08.DC.15
Locality:

 

Notes: