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Ojuelaite Mineral Data + |
General Ojuelaite Information |
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| ZnFe+++2(AsO4)2(OH)2·4(H2O) | |||
| Molecular Weight = 561.00 gm | |||
| Zinc 11.66 % Zn 14.51 % ZnO | |||
| Iron 19.91 % Fe 28.47 % Fe2O3 | |||
| Arsenic 26.71 % As 40.97 % As2O5 | |||
| Hydrogen 1.80 % H 16.06 % H2O | |||
| Oxygen 39.93 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| ZnFe3+2(AsO4)2(OH)2·4(H2O) | |||
| Oxidation zone mineral. | |||
| Approved IMA 1981 | |||
| Ojuela mine, Mapimi, Durango, Mexico. Link to MinDat.org Location Data. | |||
| Named for the locality. | |||
| ICSD 76007 | |||
| PDF 35-516 | |||
Ojuelaite Image | |||
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Ojuelaite Crystallography |
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| a:b:c =1.0602:1:0.5762 | |||
| a = 10.247, b = 9.665, c = 5.569, Z = 2; beta = 94.37° V = 549.94 Den(Calc)= 3.39 | |||
| Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/c | |||
| By Intensity(I/Io): 4.25(1), 2.872(0.9), 7.03(0.82), | |||
Physical Properties of Ojuelaite |
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| [???] Good | |||
| Greenish yellow. | |||
| 3.39 | |||
| Transparent | |||
| 3 - Calcite | |||
| Vitreous (Glassy) | |||
| light yellow | |||
Optical Properties of Ojuelaite |
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| CI meas= 0.064 (Fair) - where the CI = (1-KPDmeas/KC) CI calc= 0.064 (Fair) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2187,KPDmeas= 0.2187,KC= 0.2336 |
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| Biaxial (+), a=1.696, b=1.73, g=1.798, bire=0.1020, 2V(Calc)=74, 2V(Meas)=73. | |||
| yellow. | |||
| pale yellow. | |||
| yellow. | |||
Calculated Properties of Ojuelaite |
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relectron=3.26 gm/cc |
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| Fermion Index = 0.00919 Boson Index = 0.99081 |
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PEOjuelaite = 29.83 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Ojuelaite is Not Radioactive |
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Ojuelaite Classification |
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| 42.11.18.3 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen | |||
| (42.11)where (AB)4 (XO4)3 Zq · x(H2O) | |||
| (42.11.18)Dana Group | |||
| VII/D.08-50 VII - Phosphates, Arsenates and Vanadates | |||
| VII/D - Water-bearing phosphates with unfamiliar anions, cations of medium size: Cu, Zn, Mn, Al, Fe | |||
| VII/D.08 - Arthurite group | |||
Other Ojuelaite Information |
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| NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8) | |||
| Links to other databases for Ojuelaite : 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 - WWW-MINCRYST 14 -École des Mines de Paris Search for Ojuelaite using: Visit our Advertisers for Ojuelaite : Translate Ojuelaite Mineral Data : Ask about Ojuelaite here : Print or Cut-and-Paste your Ojuelaite Specimen Label here :
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