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Schwertmannite

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Formula:
Fe3+16(OH,SO4)12-13O16 · 10-12H2O
Colour:
brownish yellow
Lustre:
Earthy
Hardness:
1 - 2
Crystal System:
Tetragonal
Name:
Originally named glockerite in 1855 by Karl Friedrich Naumann in honour of Ernst Friedrich Glocker (1 May 1783 Stuttgart, Germany - 18 July 1858), professor of mineralogy at University of Breslau (University of Vratislav; Wroclaw, Poland) and author of numerous systematic mineralogical works. Renamed by J.M. Bigham, L. Carlson, E. Murad, in 1994 in honour of Udo Schwertmann (1922 - 20 January 2016), soil scientist at the University of München (Munich), Germany.
This page provides mineralogical data about Schwertmannite.


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Classification of SchwertmanniteHide

Approved
Approval Year:
1990
7.DE.15

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
E : With only medium-sized cations; unclassified
6.4.10.1

6 : HYDROXIDES AND OXIDES CONTAINING HYDROXYL
4 : Miscellaneous

Physical Properties of SchwertmanniteHide

Earthy
Transparency:
Opaque
Colour:
brownish yellow
Streak:
yellow
Hardness:
1 - 2 on Mohs scale

Chemical Properties of SchwertmanniteHide

Formula:
Fe3+16(OH,SO4)12-13O16 · 10-12H2O
IMA Formula:
Fe3+16O16(OH)9.6(SO4)3.2 · 10H2O

Crystallography of SchwertmanniteHide

Crystal System:
Tetragonal
Cell Parameters:
a = 10.66 Å, c = 6.04 Å
Ratio:
a:c = 1 : 0.567
Unit Cell V:
686.36 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
4.86 (37)
3.39 (46)
2.55 (100)
2.28 (23)
1.66 (21)
1.51 (24)
1.46 (18)
Comments:
Broad peaks

Type Occurrence of SchwertmanniteHide

Synonyms of SchwertmanniteHide

Other Language Names for SchwertmanniteHide

Related Minerals - Nickel-Strunz GroupingHide

7.DE.05MangazeiteAl2(SO4)(OH)4 · 3H2OTric.
7.DE.10CarbonatecyanotrichiteCu4Al2(CO3,SO4)(OH)12 · 2H2OOrth.
7.DE.10CyanotrichiteCu4Al2(SO4)(OH)12 · 2H2OOrth.
7.DE.10UKI-1975-(SO:AlCu)(Cu, Al, SO4, H2O)
7.DE.20TlalociteCu10Zn6(Te6+O4)2(Te4+O3)(OH)25Cl · 27H2OOrth.
7.DE.25UtahiteCu5Zn3(TeO4)4(OH)8 · 7H2OTric.
7.DE.35CoquanditeSb6+xO8+x(SO4)(OH)x(H2O)1- x (x = 0.3)Tric. 1 : P1
7.DE.40OsakaiteZn4(SO4)(OH)6 · 5H2OTric. 1 : P1
7.DE.45WilcoxiteMgAl(SO4)2F · 17H2OTric. 1 : P1
7.DE.50Stanleyite(V4+O)(SO4) · 6H2OOrth.
7.DE.55McalpineiteCu3(Te6+O6)Iso. m3 (2/m 3) : Ia3
7.DE.60HydrobasaluminiteAl4(SO4)(OH)10 · 12-36H2OMon.
7.DE.62VolaschioiteFe4(SO4)O2(OH)6 · 2H2OMon. 2/m : B2/m
7.DE.65ZaheriteAl12(SO4)5(OH)26 · 20H2OTric.
7.DE.70LautenthalitePbCu4(SO4)2(OH)6 · 3H2OMon. 2/m : P21/b
7.DE.75CamérolaiteCu6Al3(OH)18(H2O)2[Sb(OH)6](SO4)Tric. 1 : P1

Other InformationHide

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 SchwertmanniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Bigham, J. M., Carlson, L., Murad, E. (1994) Schwertmannite, a new iron oxyhydroxysulfate from Pyhasalmi, Finland, and other localities. Mineralogical Magazine, 58, 641-664.
European Journal of Mineralogy (1995) 7: 547-552.
Lapis (1996) 21(5): 33-34.
New Minerals (1997) New Minerals 1990-1994.
Fernandez-Martinez, A., Timon, V., Roman-Ross, G., Cuello, G.J., Daniels, J.E., Ayora, C. (2010) The structure of schwertmannite, a nanocrystalline iron oxyhydroxysulfate. American Mineralogist 95, 1312-1322.
French, R.A., Caraballo, M.A., Kim, B., Rimstidt, J.D., Murayama, M., Hochella, M.F. (2012) The enigmatic iron oxyhydroxysulfate nanomineral schwertmannite: Morphology, structure, and composition. American Mineralogist 97, 1469-1482.
Rebecca A. French, Niven Monsegue, Mitsuhiro Murayama, Michael F. Hochella, Jr. (2014) The structure and transformation of the nanomineral schwertmannite: a synthetic analog representative of field samples. Physics and Chemistry of Minerals 41, 237-246.
Santofimia, E., López-Pamo, E., Montero, E. (2015) Selective precipitation of schwertmannite in a stratified acidic pit lake of Iberian Pyrite Belt. Mineralogical Magazine, 79, 497-513.

Internet Links for SchwertmanniteHide

Localities for SchwertmanniteHide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Australia
 
  • South Australia
    • Murray Basin
      • Murray Riverlands
Rob Fitzpatrick, Paul Shand, Mark Raven and Stuart McClure, 2010, Occurrence and environmental significance of sideronatrite and other mineral precipitates in Acid Sulfate Soils. 19th World Congress of Soil Science, Soil Solutions for a Changing World
Canada
 
  • British Columbia
    • Atlin Mining Division
      • Whitewater Mts
        • Mount Eaton
Gunnar Farber
  • Manitoba
    • Sherridon District
MONCUR , M.C, PTACEK, C.J., BLOWES, D.W. & PETERSON, R.C. (2015) The occurrence and implications of efflorescent sulfate minerals at the former Sherritt–Gordon Zn–Cu mine, Sherridon, Manitoba, Canada. Canadian Mineralogist Vol. 53, 961-977
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Karlovy Vary Region
      • Krušné Hory Mts (Erzgebirge)
        • Jáchymov District (St Joachimsthal)
Lapis 2002(7/8), 63-65
  • Moravia (Mähren; Maehren)
    • Olomouc Region
Petr Paulis (2001): Die interessanten mineralogische Fundstellen in Mahren und Schlesien; Kuttna, Kutná Hora p69-73
Pauliš, P.: Die interessanten mineralogische Fundstellen in Mähren und Schlesien. Kutná Hora: Kuttna, 2001.
Finland (TL)
 
  • Northern Finland Region
    • Pyhäjärvi
Mineralogical Magazine(1994) 58, 641-648
Germany
 
  • Thuringia
    • Saalfeld
      • Garnsdorf
XRD analysis (T. Witzke)
    • Thuringian Forest
      • Schmiedefeld
Ullrich, B. & Ullrich, B. (2010): Der Aufschluss 61, 75-79.
Greenland
 
  • Qaasuitsup
    • Saviksoah Peninsula
T. P. Pedersen, SCHWERTMANNITE AND AWARUITE AS ALTERATION PRODUCTS IN IRON METEORITES. 62nd Annual Meteoritical Society Meeting
Hungary
 
  • Heves Co.
    • Mátra Mts
      • Gyöngyösoroszi
Király,ELTE,2008; Farkas, I. M. & Weiszburg, T. G. (2009): Mitt. Österr. Mineral. Ges. 155, 57. (Abs.)
      • Mátraszentimre
Király,ELTE,2008
  • Pest Co.
    • Börzsöny Mts
Collection of NHM, Vienna
Italy
 
  • Liguria
    • Genova Province
      • Sestri Levante
Carbone, C. (2005): Seminar on “Minerali di neo-formazione nei processi di acid-rock drainage”. Genova, Italy, 17/01/2005.; Carbone, C. (2008). Crystallochemical and minerogenetic study of oxide and oxy-hydroxides related to AMD (acid mine drainage) processes in Libiola mine (Sestri Levante). Plinius No. 34
Japan
 
  • Honshu Island
    • Kanto Region
      • Gunma Prefecture
Nakamura & Akai (1999) Koubutsu-Gakkai Kou’en-Youshi, 131
Peru
 
  • Tacna Department
    • Jorge Basadre Province
Diaby, N., Dold, B., Buselli, E., & Vicetti, R. (2006). EFFECTS ON ELEMENT MOBILITY BY THE CONSTRUCTION OF A WETLAND ON THE MARINE SHORE PORPHYRY COPPER TAILINGS DEPOSIT, BAHÍA DE ITE, PERU. In 7th International Conference on Acid Rock Drainage (ICARD), March (pp. 26-30).
Poland
 
  • Lower Silesia (Dolnośląskie)
    • Kaczawskie Mts
      • Radzimowice
        • Stara Góra
Siuda, R.: Minerały siarczanowe ze Starej Góry. Otoczak, 2004, nr. 31, p. 52-57.
1. R. Siuda, 2001 : New sulphate minerals from the Stara Góra oxidised zone, Radzimowice, Kaczawskie Mts., Mineralogical Society of Poland, Special Papers, vol 18, 186-188
    • Ząbkowice District
Siuda, R. (2014): Secondary arsenic minerals from old adits in the Złoty Stok area (Sudetes, Poland). Mineralogia Special Papers: 42: 104-105
Slovakia
 
  • Banská Bystrica Region
    • Banská Bystrica Co.
Pauliš P., Ďuďa R., 2002: Nejzajimavejší mineralogická nalezište Slovenska. Kuttna, Kutná Hora, 134p.
Ďuďa R.,Kotuľak P., Káňa R., 1993: Bergbau und Mineralien von Banská Štiavnica (Schemnitz), Slowakei. Emser Hefte, 14, 3, 1-70, Haltern
    • Žiar nad Hronom Co.
Ďuďa R., 1993 : Die mineralien der Gold und Silber - lagersttäte von Kremnitz ( Kremnica) in der Slowakei. Mineralien Welt /Haltern,Nemecko/,5, s. 20 - 32
  • Bratislava Region
    • Pezinok Co.
- Trtíková S., Kušnierová M. Chovan, M., 1999: Precipitation and chemical composition of iron ochres in the pyrite and stibnite deposits in The Malé Karpaty Mts. Slov. Geol. Magaz. 5, 3, 179-186. - Trtíková S., 2001: Nové sekundárne minerály pyritových a Sb-Au ložísk okolia Pezinka. Minerál, 9, 1, 21-22. (in Slovak)
  • Košice Region
    • Spišská Nová Ves Co.
Ďuďa R., Peterec D., 1995 : Die Mineralien der siderit - baryt lagersttäte von Rudňany ( Kotterbach ) in der Slowakei. Mineralien Welt /Haltern/, 1, s.20 - 31
  • Prešov Region
    • Prešov Co.
      • Červenica
        • Dubník
Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
Duda et. all.,1981:Minerály severnej časti Slanských vrchov. Min.Slovca,Monografia 2,Bratislava, 98 p
Taiwan
 
  • Taiwan Province
    • New Taipei City
      • Ruifang District
James Huang
USA
 
  • Alabama
    • De Kalb Co.
T. P. Pedersen, SCHWERTMANNITE AND AWARUITE AS ALTERATION PRODUCTS IN IRON METEORITES. 62nd Annual Meteoritical Society Meeting
  • Arizona
    • Greenlee Co.
      • Shannon Mts
        • Copper Mountain District (Clifton-Morenci District)
          • Morenci
Walder, I. F., Carr, D., Lee, J. S., & Williamson, A. (2004) Similarities in hydrogeochemical processes between ore deposition formation and acid mine drainage. Example near a porphyry copper mine. Proceedings 2004 - International Mine Water Association
  • Colorado
    • San Juan Co.
Desborough, G. A., Smith, K. S., Lowers, H. A., Swayze, G. A., Hammarstrom, J. M., Diehl, S. F., Leinz, R. W. and Driscoll, R. L. (2010): Mineralogical and chemical characteristics of some natural jarosites. Geochimica et Cosmochimica Acta, 74, 1041-1056.
  • Massachusetts
    • Franklin Co.
      • Rowe
Cerato, Amy (2003): Mineralogical Study of Davis Mine, Rowe, MA, Using X-Ray Diffraction Techniques.
  • North Carolina
    • Swain Co.
Hammarstrom,Jane M. Meier,Allen L. Seal II,Robert R. and Jackson,John C.(2003)Weathering of Sulfidic Shale and Copper Mine Waste:Secondary Minerals and Metal Cycling in Great Smoky Mountains National Park,Tennessee,and North Carolina,USA,U.S Geological Survey
      • Swain County Copper District (Fontana District)
Hammarstrum,Jane M. Meier,Allen L. Seal II,Robert R. and Jackson,John C.(2003)Weathering of Sulfidic Shale and Copper Mine Waste:Secondary Minerals and Metal Cycling in Great Smoky Mountains National Park,Tennessee and North Carolina,USA, U.S Geological Survey
  • Pennsylvania
    • Centre Co.
      • State College
        • Skytop
U.S. Geological Survey/ U.s. Department of the Interior
  • Tennessee
    • Sevier Co.
      • Great Smoky Mountains National Park
Coskren, T. D. & Lauf, R. J. (2000): The Minerals of Alum Cave Bluff, Great Smoky Mountains, Tennessee. Mineralogical Record, 31, 163-175.
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