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IMA2008-056 Mineral Data
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General IMA2008-056 Information
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 Chemical Formula: |
NaMn++Fe+++5(PO4)4(OH)6•2H2O |
| Composition: |
Molecular Weight = 875.12 gm |
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Sodium 2.63 % Na 3.54 % Na2O |
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Manganese 6.28 % Mn 8.11 % MnO |
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Iron 31.91 % Fe 45.62 % Fe2O3 |
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Phosphorus 14.16 % P 32.44 % P2O5 |
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Hydrogen 1.15 % H 10.29 % H2O |
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Oxygen 43.88 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
NaMn2+Fe3+5(PO4)4(OH)6•2(H2O) |
| Environment: |
Dufrenite group |
| IMA Status: |
Proposed IMA 2009 (Dana # Added) |
| Locality: |
Gigante pegmatite, Punilla Department, Cordoba Province, Argentina Link to MinDat.org Location Data. |
| Name Origin: |
Commission on New Minerals, Nomenclature and Classification (CNMNC) |
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IMA2008-056 Crystallography
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| Axial Ratios: |
a:b:c =5.0177:1:2.6907 |
| Cell Dimensions: |
a = 25.975, b = 5.1766, c = 13.929, Z = 4; beta = 111.293° V = 1,745.07 Den(Calc)= 3.33 |
| Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/c |
| X Ray Diffraction: |
By Intensity(I/Io): 3.179(1), 3.424(0.71), 5.045(0.6),1.585(0.5), 2.881(0.42), 2.109(0.39), 4.147(0.37), 2.426(0.36), |
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Optical Properties of IMA2008-056
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| Optical Data: |
NCalc= 1.87 - from Gladstone-Dale relationship (KC = 0.2608) where Ncalc=Dcalc*KC+1
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Calculated Properties of IMA2008-056
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| Electron Density: |
Bulk Density (Electron Density)=3.26 gm/cc
note: Specific Gravity of IMA2008-056 =3.33 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0069768569
Boson Index = 0.9930231431 |
| Photoelectric: |
PEIMA2008-056 = 11.84 barns/electron
U=PEIMA2008-056 x rElectron Density= 38.56 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
IMA2008-056 is Not Radioactive |
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IMA2008-056 Classification
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| Dana Class: |
42.09.01.04 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen |
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(42.09)where (A)3 (XO4)2 Zq � x(H2O) |
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(42.09.01)Burangaite Group |
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42.09.01.01 Burangaite (Na,Ca)2(Fe,Mg)2Al10(PO4)8(OH,O)12•4(H2O) C 2/c 2/m |
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42.09.01.02 Dufrenite FeFe4(PO4)3(OH)5•2(H2O) C 2/c 2/m |
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42.09.01.03 Natrodufrenite Na(Fe,Fe)(Fe,Al)5(PO4)4(OH)6•2(H2O) C 2/c 2/m |
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42.09.01.04 IMA2008-056! NaMnFe5(PO4)4(OH)6•2H2O C 2/c 2/m |
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42.09.01.05 Matioliite! NaMgAl5(PO4)4(OH)6•2H2O C 2/c 2/m |
| Strunz Class: |
08.DK.15 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.D - Phosphates, etc |
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08.DK -With large and medium-sized cations, (OH, etc.):RO4 > 1:1 and < 2:1 |
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08.DK.15 Dufrenite FeFe4(PO4)3(OH)5•2(H2O) C 2/c 2/m |
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08.DK.15 Burangaite (Na,Ca)2(Fe,Mg)2Al10(PO4)8(OH,O)12•4(H2O) C 2/c 2/m |
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08.DK.15 Natrodufrenite Na(Fe,Fe)(Fe,Al)5(PO4)4(OH)6•2(H2O) C 2/c 2/m |
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08.DK.15 Matioliite! NaMgAl5(PO4)4(OH)6•2H2O C 2/c 2/m |
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08.DK.15 IMA2008-056! NaMnFe5(PO4)4(OH)6•2H2O C 2/c 2/m |
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Other IMA2008-056 Information
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| See Also: |
Links to other databases for IMA2008-056 :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - Mineralienatlas (Deutsch)
7 - Online Mineral Museum
8 - Ruff.Info
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Print or Cut-and-Paste your IMA2008-056 Specimen Label here :
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IMA2008-056
NaMn++Fe+++5(PO4)4(OH)6•2H2O
Dana No: 42.09.01.04 Strunz No: 08.DK.15
Locality:
Notes:
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