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Jamesite Mineral Data + |
General Jamesite Information |
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| Pb2Zn2Fe+++5(AsO4)5O4 | |||
| Molecular Weight = 1,583.01 gm | |||
| Zinc 8.26 % Zn 10.28 % ZnO | |||
| Iron 17.64 % Fe 25.22 % Fe2O3 | |||
| Arsenic 23.66 % As 36.30 % As2O5 | |||
| Lead 26.18 % Pb 28.20 % PbO | |||
| Oxygen 24.26 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Pb2Zn2Fe3+5(AsO4)5O4 | |||
| Approved IMA 1981 | |||
| Link to MinDat.org Location Data. | |||
| ICSD 87744 | |||
| PDF 35-509 | |||
Search for Jamesite Images | |||
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Jamesite Crystallography |
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| a:b:c =0.586:1:1.0715 | |||
| a = 5.622, b = 9.593, c = 10.279, Z = 1; alpha = 109.8°, beta = 90.54°, gamma = 97.69° V = 516.88 Den(Calc)= 5.09 | |||
| Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1 | |||
| By Intensity(I/Io): 3.4(1), 3.04(0.9), 9.67(0.8), | |||
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Physical Properties of Jamesite |
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| Reddish brown. | |||
| 5.1 | |||
| 3 - Calcite | |||
| Subadamantine | |||
Optical Properties of Jamesite |
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| CI meas= -0.013 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= -0.015 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1948,KPDmeas= 0.1944,KC= 0.192 |
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| Biaxial (-), a=1.96, b=1.995, g=2.02, bire=0.0600, 2V(Calc)=78, 2V(Meas)=75. | |||
Calculated Properties of Jamesite |
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relectron=4.58 gm/cc |
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| Fermion Index = 0.06509 Boson Index = 0.93491 |
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PEJamesite = 474.52 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Jamesite is Not Radioactive |
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Jamesite Classification |
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| 41.11.2.1 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen | |||
| (41.11)with miscellaneous formulae | |||
| (41.11.2)Dana Group | |||
| VII/B.24-70 VII - Phosphates, Arsenates and Vanadates | |||
| VII/B - Waterfree phosphates with unfamiliar anions F, Cl, O, OH. cations of medium and big size: Mg, Cu, Zn, and Ca, Na, K, Ba, Pb | |||
| VII/B.24 - Brackebuschite - Tsumebite group, Bearthite - Jamesite series | |||
Other Jamesite Information |
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| PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | |||
| Links to other databases for Jamesite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris Search for Jamesite using: Visit our Advertisers for Jamesite : Translate Jamesite Mineral Data : Ask about Jamesite here : Print or Cut-and-Paste your Jamesite Specimen Label here :
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