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Arthurite Mineral Data |
General Arthurite Information |
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CuFe+++2(AsO4,PO4,SO4)2(O,OH)2•4(H2O) | ||
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Molecular Weight = 531.49 gm | ||
Iron 21.02 % Fe 30.05 % Fe2O3 | |||
Copper 11.96 % Cu 13.46 % Cu2O | |||
Arsenic 19.74 % As 30.27 % As2O5 | |||
Phosphorus 2.33 % P 5.34 % P2O5 | |||
Hydrogen 1.61 % H 14.41 % H2O | |||
Sulfur 1.21 % S 3.01 % SO3 | |||
Oxygen 42.14 % O | |||
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100.00 % 96.54 % = TOTAL OXIDE | |||
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CuFe3+22(AsO4)0.72(PO4)0.22(SO4)0.1O1.5(OH)0.5�4(H2O) | ||
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Secondary mineral in the oxidation zone of some copper deposits, formed by the alteration of arsenopyrite or enargite. | ||
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Approved IMA 1964 | ||
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Hingston Down Consols mine, Calstock, Cornwall, England. Link to MinDat.org Location Data. | ||
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Named for Sir Arthur Edward Ian Montagu Russell (1878-1964) and Arthur William Gerald Kingsbury (1906-1968) for their contributions to British mineralogy. | ||
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Arthurite + Pronunciation ![]() |
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ICSD 100444 | ||
PDF 36-400 | |||
Arthurite Image | |||
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Arthurite Crystallography |
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a:b:c =1.0488:1:0.5769 | ||
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a = 10.09, b = 9.62, c = 5.55, Z = 2; beta = 92.2° V = 538.32 Den(Calc)= 3.28 | ||
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Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/c | ||
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By Intensity(I/Io): 4.28(1), 4.81(1), 6.97(1), | ||
Physical Properties of Arthurite |
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None | ||
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Apple green, Emerald green. | ||
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3.02 | ||
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Transparent | ||
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Brittle - Generally displayed by glasses and most non-metallic minerals. | ||
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Acicular - Occurs as needle-like crystals. | ||
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Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline). | ||
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Spherical - Spherical, rounded aggregates. | ||
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3-4 - Calcite-Fluorite | ||
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Vitreous (Glassy) | ||
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light green | ||
Optical Properties of Arthurite |
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CI meas= -0.061 (Fair) - where the CI = (1-KPDmeas/KC) CI calc= 0.024 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2336,KPDmeas= 0.2538,KC= 0.2393 Ncalc = 1.72 - 1.78 |
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Biaxial (+/-), a=1.736, b=1.767, g=1.796, bire=0.0600, 2V(Calc)=86, 2V(Meas)=~90. | ||
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colorless or pale green. | ||
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gray green. | ||
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olive green. | ||
Calculated Properties of Arthurite |
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Bulk Density (Electron Density)=3.17 gm/cc note: Specific Gravity of Arthurite =3.28 gm/cc. |
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Fermion Index = 0.0047504247 Boson Index = 0.9952495753 |
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PEArthurite = 25.00 barns/electron U=PEArthurite x rElectron Density= 79.27 barns/cc. |
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GRapi = 0 (Gamma Ray American Petroleum Institute Units) Arthurite is Not Radioactive |
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Arthurite Classification |
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42.11.18.02 (42)Hydrated Phosphates, etc., Containing Hydroxyl or Halogen | ||
(42.11)where (AB)4 (XO4)3 Zq � x(H2O) | |||
(42.11.18)Whitmoreite Group | |||
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08.DC.15 08 - PHOSPHATES, ARSENATES, VANADATES | ||
08.D - Phosphates, etc | |||
08.DC -With only medium-sized cations, (OH, etc.):RO4 = 1:1 and < 2:1 | |||
Other Arthurite Information |
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NAME( AntBidBlaNic4) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic4) | ||
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Links to other databases for Arthurite : 1 - Am. Min. Crystal Structure Database 2 - Amethyst Galleries' Mineral Gallery 3 - Athena 4 - EUROmin Project 5 - Ecole des Mines de Paris 6 - GeoScienceWorld 7 - Google Images 8 - Google Scholar 9 - Handbook of Mineralogy (MinSocAm) 10 - Handbook of Mineralogy (UofA) 11 - MinDAT 12 - Mineralienatlas (Deutsch) 13 - Online Mineral Museum 14 - QUT Mineral Atlas 15 - Ruff.Info 16 - WWW-MINCRYST Search for Arthurite using: Visit our Advertisers for Arthurite : Ask about Arthurite here : Print or Cut-and-Paste your Arthurite Specimen Label here :
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