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IMA2008-066 Mineral Data
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General IMA2008-066 Information
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 Chemical Formula: |
Mn5(H2O)4(AsO3OH)2(AsO4)2 |
| Composition: |
Molecular Weight = 904.44 gm |
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Manganese 30.37 % Mn 39.22 % MnO |
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Arsenic 33.13 % As 50.82 % As2O5 |
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Hydrogen 1.11 % H 9.96 % H2O |
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Oxygen 35.38 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Mn2+5(H2O)4(AsO3OH)2(AsO4)2 |
| Environment: |
Mn analogue of sainfeldite |
| IMA Status: |
Proposed IMA 2009 (Dana # Added) |
| Locality: |
Ojuela mine, Mapimi, Durango, Mexico Link to MinDat.org Location Data. |
| Name Origin: |
Commission on New Minerals, Nomenclature and Classification (CNMNC) |
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IMA2008-066 Crystallography
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| Axial Ratios: |
a:b:c =1.9446:1:1.0543 |
| Cell Dimensions: |
a = 18.03, b = 9.2715, c = 9.7756, Z = 4; beta = 96.266° V = 1,624.38 Den(Calc)= 3.70 |
| Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/c |
| X Ray Diffraction: |
By Intensity(I/Io): 3.234(1), 3.074(0.68), 2.973(0.39),3.357(0.33), 8.279(0.28), 1.68(0.26), 2.341(0.21), 2.676(0.21), |
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Optical Properties of IMA2008-066
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| Optical Data: |
NCalc= 1.72 - from Gladstone-Dale relationship (KC = 0.1935) where Ncalc=Dcalc*KC+1
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Calculated Properties of IMA2008-066
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| Electron Density: |
Bulk Density (Electron Density)=3.49 gm/cc
note: Specific Gravity of IMA2008-066 =3.70 gm/cc.
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| Fermion Index: |
Fermion Index = 0.0001714934
Boson Index = 0.9998285066 |
| Photoelectric: |
PEIMA2008-066 = 30.69 barns/electron
U=PEIMA2008-066 x rElectron Density= 107.21 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
IMA2008-066 is Not Radioactive |
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IMA2008-066 Classification
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| Dana Class: |
39.02.01.05 (39)Hydrated Acid Phosphates, etc |
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(39.02)H2 (AB)5 (XO4)4 � x(H2O) |
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(39.02.01)Hureaulite Group |
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39.02.01.01 Hureaulite Mn5(PO3OH)2(PO4)2•4(H2O) C 2/c 2/m |
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39.02.01.02 Sainfeldite Ca5(AsO3OH)2(AsO4)2•4(H2O) C 2/c 2/m |
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39.02.01.03 Villyaellenite Mn5(AsO3OH)2(AsO4)2•4(H2O) C 2/c 2/m |
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39.02.01.04 IMA2008-047! Cd3Zn2(AsO3OH)2(AsO4)24?H2O C 2/c 2/m |
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39.02.01.05 IMA2008-066! Mn5(H2O)4(AsO3OH)2(AsO4)2 C 2/c 2/m |
| Strunz Class: |
08.CB.10 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.C - Phosphates without Additional Anions, with H2O |
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08.CB -With only medium-sized cations, RO4:H2O = 1:1 |
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08.CB.10 Hureaulite Mn5(PO3OH)2(PO4)2•4(H2O) C 2/c 2/m |
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08.CB.10 Sainfeldite Ca5(AsO3OH)2(AsO4)2•4(H2O) C 2/c 2/m |
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08.CB.10 IMA2008-066! Mn5(H2O)4(AsO3OH)2(AsO4)2 C 2/c 2/m |
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08.CB.10 Villyaellenite Mn5(AsO3OH)2(AsO4)2•4(H2O) C 2/c 2/m |
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08.CB.10 IMA2008-047! Cd3Zn2(AsO3OH)2(AsO4)24?H2O C 2/c 2/m |
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Other IMA2008-066 Information
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| See Also: |
Links to other databases for IMA2008-066 :
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 IMA2008-066 Specimen Label here :
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IMA2008-066
Mn5(H2O)4(AsO3OH)2(AsO4)2
Dana No: 39.02.01.05 Strunz No: 08.CB.10
Locality:
Notes:
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