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Arthur Kingsbury & Sir Arthur Russell
CuFe23+(AsO4)2(OH)2 · 4H2O
Apple-green, ...
3 - 4
Member of:
Named in 1964 by Richard J. Davis and Max Hutchinson Hey in honor of Sir Arthur Edward Ian Montague Russell [November 30, 1878 Folkestone, Kent, England, UK - February 23, 1964 UK], British mineral collector and Mr Arthur William Gerald Kingsbury [1906 East Meon, Hampshire, England, UK - August 3, 1968 UK], English mineralogists and collectors. Sir Arthur Edward Ian Montague Russell (1878-1964) 6th Baronet, of Swallowfield Park, Reading, Berkshire, was perhaps the greatest British mineral collector of the 20th century. Sir Arthur Russell’s Will, directed that his collection should be given to the British Museum (Natural History) – now the Natural History Museum. The Russell Society, an organisation for amateur and professional mineralogists, dedicated to British topographical mineralogy, was named in his honor. Arthur Kingsbury, Russell's friend was an indefatigable field collector and prolific author of mineralogical articles.

Classification of Arthurite

Approval Year:

D : Phosphates, etc. with additional anions, with H2O
C : With only medium-sized cations, (OH, etc.):RO4 = 1:1 and < 2:1

11 : (AB)3(XO4)2Zq·xH2O

20 : Arsenates (also arsenates with phosphate, but without other anions)
1 : Arsenates of Cu

Physical Properties of Arthurite

Apple-green, emerald-green, pale olive-green.
(not reported)
Hardness (Mohs):
3 - 4

Optical Data of Arthurite

Biaxial (+/-)
RI values:
nα = 1.736 nβ = 1.767 nγ = 1.796
Calculated: 86°
Max Birefringence:
δ = 0.060
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
r > v

Chemical Properties of Arthurite

CuFe23+(AsO4)2(OH)2 · 4H2O
Elements listed in formula:
Analytical Data:
water by LOI; after subtracting 24.7% of quartz; S and P content taken from the second analysis
SO3 3.2
P2O5 5.5
As2O5 31.3
Fe2O3 29.7
CuO 15.3
H2O 15.0

total 100.0
Common Impurities:

Crystallography of Arthurite

Crystal System:
Cell Parameters:
a = 10.09 Å, b = 9.62 Å, c = 5.55 Å
β = 92.2°
a:b:c = 1.049 : 1 : 0.577
Unit Cell Volume:
V 538.32 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction Data:
4.28 (vvs)
4.81 (vvs)
6.97 (vvs)
10.08 (vs)
2.801 (vs)
2.912 (s)
3.44 (ms)

Type Occurrence of Arthurite

Empirical Formula:

Relationship of Arthurite to other Species

Member of:
Other Members of Group:
BendadaiteFe2+Fe23+(AsO4)2(OH)2 · 4H2O
Cobaltarthurite(Co,Mg)Fe23+(AsO4)2(OH)2 · 4H2O
EarlshannoniteMn2+Fe23+(PO4)2(OH)2 · 4H2O
KunatiteCuFe23+(PO4)2(OH)2 · 4H2O
OjuelaiteZnFe23+(AsO4)2(OH)2 · 4H2O
UKI-2006-(PO:AlCuFeH)Fe2+Al23+(PO4)2(OH)2 · 4H2O
UKI-2006-(PO:FeHZn)ZnFe23+(PO4)2(OH)2 · 4H2O
WhitmoreiteFe2+Fe23+(PO4)2(OH)2 · 4H2O
8.DC.05NissoniteCu2Mg2(PO4)2(OH)2 · 5H2O
8.DC.07EuchroiteCu2(AsO4)(OH) · 3H2O
8.DC.10LegranditeZn2(AsO4)(OH) · H2O
8.DC.12StrashimiriteCu8(AsO4)4(OH)4 · 5H2O
8.DC.15EarlshannoniteMn2+Fe23+(PO4)2(OH)2 · 4H2O
8.DC.15OjuelaiteZnFe23+(AsO4)2(OH)2 · 4H2O
8.DC.15WhitmoreiteFe2+Fe23+(PO4)2(OH)2 · 4H2O
8.DC.15Cobaltarthurite(Co,Mg)Fe23+(AsO4)2(OH)2 · 4H2O
8.DC.15BendadaiteFe2+Fe23+(AsO4)2(OH)2 · 4H2O
8.DC.15KunatiteCuFe23+(PO4)2(OH)2 · 4H2O
8.DC.15UKI-2006-(PO:FeHZn)ZnFe23+(PO4)2(OH)2 · 4H2O
8.DC.15UKI-2006-(PO:AlCuFeH)Fe2+Al23+(PO4)2(OH)2 · 4H2O
8.DC.17KleemaniteZnAl2(PO4)2(OH)2 · 3H2O
8.DC.20BermaniteMn2+Mn23+(PO4)2(OH)2 · 4H2O
8.DC.20CoralloiteMn2+Mn23+(AsO4)2(OH)2 · 4H2O
8.DC.22KovdorskiteMg2(PO4)(OH) · 3H2O
8.DC.25FerristrunziteFe3+Fe23+(PO4)2(OH)3 · 5H2O
8.DC.25FerrostrunziteFe2+Fe23+(PO4)2(OH)2 · 6H2O
8.DC.25MetavauxiteFe2+Al2(PO4)2(OH)2 · 8H2O
8.DC.25MetavivianiteFe2+Fe23+(PO4)2(OH)2 · 6H2O
8.DC.25StrunziteMn2+Fe23+(PO4)2(OH)2 · 6H2O
8.DC.27BerauniteFe2+Fe53+(PO4)4(OH)5 · 6H2O
8.DC.30GordoniteMgAl2(PO4)2(OH)2 · 8H2O
8.DC.30LaueiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
8.DC.30MangangordoniteMn2+Al2(PO4)2(OH)2 · 8H2O
8.DC.30ParavauxiteFe2+Al2(PO4)2(OH)2 · 8H2O
8.DC.30PseudolaueiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
8.DC.30SigloiteFe3+Al2(PO4)2(OH)3 · 7H2O
8.DC.30StewartiteMn2+Fe23+(PO4)2(OH)2 · 8H2O
8.DC.30UshkoviteMgFe23+(PO4)2(OH)2 · 8H2O
8.DC.30FerrolaueiteFe2+Fe23+(PO4)2(OH)2 · 8H2O
8.DC.30Kastningite(Mn2+,Fe2+,Mg)Al2(PO4)2(OH)2 · 8H2O
8.DC.30MaghrebiteMgAl2(AsO4)2(OH)2 · 8H2O
8.DC.30NordgauiteMnAl2(PO4)2(F,OH)2 · 5H2O
8.DC.32TinticiteFe3+5.34(PO4)3.62(VO4)0.38(OH)4 · 6.7H2O
8.DC.35VauxiteFe2+Al2(PO4)2(OH)2 · 6H2O
8.DC.37VantasseliteAl4(PO4)3(OH)3 · 9H2O
8.DC.40CacoxeniteFe243+Al(PO4)17O6(OH)12 · 17H2O
8.DC.45Gormanite(Fe2+,Mg)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O
8.DC.45Souzalite(Mg,Fe2+)3(Al,Fe3+)4(PO4)4(OH)6 · 2H2O
8.DC.47KingiteAl3(PO4)2F2(OH) · 7H2O
8.DC.50WavelliteAl3(PO4)2(OH,F)3 · 5H2O
8.DC.50AllanpringiteFe33+(PO4)2(OH)3 · 5H2O
8.DC.52KribergiteAl5(PO4)3(SO4)(OH)4 · 4H2O
8.DC.55MapimiteZn2Fe33+(AsO4)3(OH)4 · 10H2O
8.DC.57OgdensburgiteCa2Fe43+(Zn,Mn2+)(AsO4)4(OH)6 · 6H2O
8.DC.60Nevadaite(Cu2+,Al,V3+)6Al8(PO4)8F8(OH)2 · 22H2O
8.DC.60CloncurryiteCu0.5(VO)0.5Al2(PO4)2F2 · 5H2O
20.1.6Chlorotile (of Frenzel)
20.1.7GeminiteCu(HAsO4) · H2O
20.1.8EuchroiteCu2(AsO4)(OH) · 3H2O
20.1.9StrashimiriteCu8(AsO4)4(OH)4 · 5H2O
20.1.11LindackeriteCuCu4(AsO4)2(HAsO4)2 · 9H2O
20.1.13LiroconiteCu2Al(AsO4)(OH)4 · 4H2O
20.1.14CeruleiteCu2Al7(AsO4)4(OH)13 · 11.5H2O

Other Names for Arthurite

Name in Other Languages:
Simplified Chinese:水砷铁铜石

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Arthurite

Reference List:
Davis, R.J. and Hey, M.H. (1964) Arthurite, a new copper-iron arsenate from Cornwall: Mineralogical Magazine: 33, 937-941.

American Mineralogist: 50: 522.

Davis, R. J. & Hey, M. H. (1969): The cell-contents of arthurite redetermined. Mineral. Mag. 37, 520-521.

Clark, A. H. & Sillitoe, R. H. (1969): Arthurite from Potrerillos, Atacama Province, Chile. Mineral. Mag. 37, 519-520.

Walenta, K. (1975): The secondary minerals of the barite vein of the Clara mine near Oberwolfach, central Black Forest. Aufschluss 26, 369-411. (In German)

Keller, P. & Hess, H. (1978): The crystal structure of arthurite, CuFe23+[(H2O)4|(OH)2|(AsO4)2]. Neues Jahrbuch für Mineralogie, Monatshefte und Abhandlungen: 133, 291-302.

Anthony, J.W., Bideaux, R.A., Bladh, K.W. and Nichols, M.C., Eds. Handbook of Mineralogy, Mineralogical Society of America, Chantilly, VA 20151-1110, USA. (2016)

Internet Links for Arthurite URL:
Please feel free to link to this page.
The following Arthurite specimens are currently listed for sale on

Localities for Arthurite

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
  • South Australia
    • Olary Province
      • Boolcoomatta Reserve (Boolcoomata Station; Boolcoomatta)
Anthony, Bideaux, Bladh, Nichols: Handbook of Mineralogy, Vol. IV; Vera Munro-Smith (2006) Cobalt Mineralisation in Selected Australian Deposits. PhD thesis, University of Western Sydney.
  • Lower Austria
    • Industrieviertel
      • Payerbach
Hackenberg 2003
  • Antofagasta Region
    • Tocopilla Province
Samples analysed by Dr. Jochen Schluter (Hamburg University), Germany.
  • Atacama Region
    • Chañaral Province
      • Diego de Almagro
        • Potrerillos
Anthony, Bideaux, Bladh, Nichols: Handbook of Mineralogy, Vol. IV
    • Huasco Province
      • Freirina
maurizio dini collection - analysed material
  • Nouvelle-Aquitaine
    • Haute-Vienne
      • Razès
        • Chanteloube
          • Vilatte Quarries (La Vilate)
Lebocey, J., Meisser, N., Chatenet, FX, Boisson, JM et Husson, F. (2010) Découverte d'arthurite dans les monts d'Ambazac (Haute-Vienne), Le Règne Minéral, 96, 51
  • Occitanie
    • Aveyron
      • Najac
Patrice Queneau Collection
  • Provence-Alpes-Côte d'Azur
    • Var
      • Le Pradet
Henderson, William A., Jr. (1994) Microminerals, Miscellany from France, the Eifel district, and Mont Saint-Hilaire. Mineralogical Record 25:208-210
  • Baden-Württemberg
    • Black Forest
      • Wolfach
        • Oberwolfach
          • Rankach valley
K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
  • North Rhine-Westphalia
    • Siegerland
      • Gosenbach
Wittern: "Mineralfundorte in Deutschland", 2001
  • Rhineland-Palatinate
    • Siegerland
      • Gebhardshain
        • Kausen
Wittern: "Mineralfundstellen in Deutschland", 2001
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District Mines
        • Agios Konstantinos [St Constantine] (Kamariza)
          • Kamariza Mines (Kamareza Mines)
No reference listed
Lapis No.7/8 1999 p.70-74
        • Lavrion (Laurion; Laurium)
No reference listed
  • Fejér Co.
    • Velencei Mts
      • Lovasberény
        • Meleg Hill
HOM Collection,Szakáll S.,2010
  • Sardinia
    • Cagliari Province
      • Villaputzu
Orlandi, P. & Campostrini, I. (2005): Zibaldone. Aggiornamenti di mineralogia italiana 2004. Rivista Mineralogica Italiana, 3/2005, 184-191.
  • Otjikoto Region (Oshikoto)
    • Tsumeb
Bezing, L. von., Bode, R., and Jahn, S., (2016) Namibia Minerals and Localities II. Edition Krüger-Stiftung, Bode Verlag GmbH, Salzhemmendorf, Germany, 638 pg (in English)
  • Guarda District
    • Sabugal
      • Bendada
Schnorrer-Köhler (1991), Mineral Occurrences.
  • Eastern-Siberian Region
    • Sakha Republic (Saha Republic; Yakutia)
      • Verkhoyansk
        • Yana River Basin
          • Yana-Adycha Region
            • Arga-Ynnakh-Khaya granite Massif
Pavel M. Kartashov data
  • Andalusia
    • Almería
      • Níjar
        • Rodalquilar
S.Rust collection
  • Murcia
    • Mazarrón
      • Pastrana
- Sainz de Baranda, B.,González de Tánago, J. y Viñals, J. (2003). Secondary minerals of the Mazarrón-Águilas mining distric. Murcia province, Spain. The Mineralógical Record, 34, 315-334.
  • Valencian Community
    • Castellón
      • Chóvar
        • Bellota ravine
Joan Vinals & Miguel Calvo (2007) Corderoite, Kenhsuite and Perroudite, mercury sulphohalides from Chovar (Xovar), Castello, Spain. Mineral Up, June 2007.
  • England
    • Cornwall
      • Callington District
        • Calstock
          • Gunnislake
            • Clitters United Mines
Davis, R.J., and Hey, M.H. (1964): Mineralogical Magazine 33, 937-941 Embrey, P.G. (1978) Fourth supplementary list of British minerals. Mineralogical Magazine, vol. 42, n° 322, 169-177
Golley, P., and Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.; Weiss, S., Green, D.H., Hooper, J.J., and Elton, N. (2007): Lapis 32(11), 13-25; Weiß, S., Merry, M. & Ansermet, S. (2017): Neufunde aus Cornwall: Cannonit, Arthurit, Auriacusit. Lapis, 42 (1), 20-23; 62 (in German).
      • St Agnes District
        • Perranzabuloe
U. Kolitsch (X-ray powder diffraction); samples associated with scorodite and pharmacosiderite; Weiß, S., Merry, M. & Ansermet, S. (2017): Neufunde aus Cornwall: Cannonit, Arthurit, Auriacusit. Lapis, 42 (1), 20-23; 62 (in German).
      • St Austell District
        • Treverbyn
          • Stenalees
Goley, P. and Williams R. (1995) Cornish Mineral Reference Manual. Endsleigh Publications
  • Montana
    • Granite Co.
      • Philipsburg District (Flint Creek District)
        • John Long Mts
          • Black Pine Ridge
Waisman D. (1992) Minerals of the Black Pine Mine, Granite County, Montana Mineralogical Record, Vol. 23 No. 6, p. 477-483.; Gobla, M. J. (2012) Montana Mineral Locality Index. Rocks and Minerals 87:208-240.
  • Nevada
    • Pershing Co.
      • Antelope District
Jensen, M. (1985) The Majuba Hill mine, Pershing County. Mineralogical Record: 16, 57-72. ; Ameican Mineralogist, Volume 63, pages 704-708, 1978
Natural History Museum Vienna collection; Jensen, M. (1993): Update on the mineralogy of the Majuba Hill mine, Pershing County. Mineralogical Record. 24, 171-180.
  • South Dakota
    • Lawrence Co.
      • Galena District
"Mineralogy of the Black Hills", Bulletin 18, SDSM&T, Willard Lincoln Roberts and George Rapp, Jr., 1965 and WLR identifications, 1984 - 1987.
  • Utah
    • Juab Co.
      • East Tintic Mts
        • Tintic District
          • Mammoth
Collected by and in the collection of Brent Thorne
Collected by Brent Thorne and SEM EDAX confirmed.
            • Mammoth Peak
SEM-EDS analyzed by Kerry Day, Collected by and in the collection of Alex Earl
    • Tooele Co.
      • Deep Creek Mts
        • Gold Hill District (Clifton District)
          • Gold Hill
Anthony, Bideaux, Bladh, Nichols: Handbook of Mineralogy, Vol. IV
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