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Jarosewichite Mineral Data + |
General Jarosewichite Information |
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| Mn++3Mn+++(AsO4)(OH)6 | |||
| Molecular Weight = 460.72 gm | |||
| Manganese 47.70 % Mn 46.19 % MnO / 17.13 % Mn2O3 | |||
| Arsenic 16.26 % As 24.94 % As2O5 | |||
| Hydrogen 1.31 % H 11.73 % H2O | |||
| Oxygen 34.73 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Mn2+3Mn3+(AsO4)(OH)6 | |||
| Metamorphosed Zn-Mn deposit. | |||
| Approved IMA 1982 | |||
| Franklin, Sussex County, New Jersey, USA. Link to MinDat.org Location Data. | |||
| Named for Eugene Jaroswich (1926-), chief chemist, Department of Mineral Sciences, National Museum of Natural History, Smithsonian Institution. | |||
Search for Jarosewichite Images | |||
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Jarosewichite Crystallography |
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| a:b:c =0.2603:1:0.3968 | |||
| a = 6.56, b = 25.2, c = 10, Z = 8; V = 1,653.12 Den(Calc)= 3.70 | |||
| OrthorhombicSpace Group: C 222,C mm2,C 2m2(/n) | |||
| By Intensity(I/Io): 2.669(1), 3.91(0.6), 1.788(0.5), | |||
Physical Properties of Jarosewichite |
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| None | |||
| Dark red. | |||
| 3.66 | |||
| Aggregates - Made of numerous individual crystals or clusters. | |||
| Divergent - Crystals radiate from a center without producing stellar forms. | |||
| 4 - Fluorite | |||
| Non-fluorescent. | |||
| Vitreous (Glassy) | |||
| reddish orange | |||
Optical Properties of Jarosewichite |
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| Biaxial (-), a=1.78, b=1.795, g=1.805, bire=0.0250, 2V(Calc)=76, 2V(Meas)=78. | |||
| brownish red. | |||
| brownish red. | |||
| medium brownish red. | |||
Calculated Properties of Jarosewichite |
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relectron=3.52 gm/cc |
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| Fermion Index = 0.00016 Boson Index = 0.99984 |
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PEJarosewichite = 23.50 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Jarosewichite is Not Radioactive |
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Jarosewichite Classification |
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| 41.1.1.3 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen | |||
| (41.1)where (A++)m (XO4)p Zq, with m:p>4:1 | |||
| (41.1.1)Dana Group | |||
| VII/B.17-30 VII - Phosphates, Arsenates and Vanadates | |||
| VII/B - Waterfree phosphates with unfamiliar anions F, Cl, O,OH, cations of medium size: Mg, Mn, Fe, Cu, Zn, Pseudomalachite group and related compounds | |||
| VII/B.17 - Pseudomalachite group, Magnesium-chlorophoenicite - Jarosewichite series | |||
Other Jarosewichite Information |
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| NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8) | |||
| Links to other databases for Jarosewichite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 - Franklin Minerals(Dunn) 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 -École des Mines de Paris Search for Jarosewichite using: Visit our Advertisers for Jarosewichite : Translate Jarosewichite Mineral Data : Ask about Jarosewichite here : Print or Cut-and-Paste your Jarosewichite Specimen Label here :
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