| IMA2000-020 Mineral Data |
General IMA2000-020 Information |
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| Fe4[AsO3OH]5[AsO2(OH)2]2·20(H2O) | |||
| Molecular Weight = 1,565.20 gm | |||
| Iron 14.27 % Fe 18.36 % FeO | |||
| Arsenic 33.51 % As 12.64 % As2O3 / 36.71 % As2O5 | |||
| Hydrogen 3.16 % H 28.20 % H2O | |||
| Oxygen 49.07 % O | |||
| ______ ______ | |||
| 100.00 % 95.91 % = TOTAL OXIDE | |||
| Fe2+4(AsO3OH)5As2O4(OH)4·20(H2O) | |||
| Proposed IMA 2000 (Dana # Added) | |||
| Link to MinDat.org Location Data. | |||
| Commission on New Minerals and Mineral Names (CNMMN) | |||
Search for IMA2000-020 Images | |||
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IMA2000-020 Crystallography |
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| a:b:c =0.561:1:0.5261 | |||
| a = 10.676, b = 19.027, c = 10.012, Z = 2; V = 2,033.76 Den(Calc)= 2.56 | |||
| Orthorhombic | |||
| By Intensity(I/Io): 9.5(1), 9.31(0.85), 3.586(0.39),4.221(0.35), 3.302(0.24), 6.81(0.24), 5.45(0.23), | |||
Physical Properties of IMA2000-020 |
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| Beige white. | |||
| Opaque | |||
| Earthy (Dull) | |||
Optical Properties of IMA2000-020 |
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| Biaxial (?), a=1.615 | |||
Calculated Properties of IMA2000-020 |
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relectron=2.51 gm/cc |
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| Fermion Index = 0.00326 Boson Index = 0.99674 |
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PEIMA2000-020 = 26.45 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) IMA2000-020 is Not Radioactive |
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IMA2000-020 Classification |
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| 39.2.8.1 (39)Hydrated Acid Phosphates, etc | |||
| (39.2)H2 (AB)5 (XO4)4 · x(H2O) | |||
| (39.2.8)Dana Group | |||
| VII/X.00-00 VII - Phosphates, Arsenates and Vanadates | |||
| VII/X - Unclassified Strunz Phosphates, Arsenates and Vanadates | |||
| VII/X.00 - Arsenate, Basic Hydrated | |||
Other IMA2000-020 Information |
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| Links to other databases for IMA2000-020 : 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) Search for IMA2000-020 using: Visit our Advertisers for IMA2000-020 : Translate IMA2000-020 Mineral Data : Ask about IMA2000-020 here : Print or Cut-and-Paste your IMA2000-020 Specimen Label here :
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