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Alunite Supergroup

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A = Na, K, Pb, Rb, NH4, Ag, H3O or H2O.
D = Al, Fe3+, V3+ or Ga3+; minor Cu, Zn, Ge and others.
The XO4 group may be partly protonated.
Also known as Alunite Family or Alunite Group.
This supergroup includes: Alunite Group, Beudantite Group, Plumbogummite Group and Dussertite Group. Various other names have been used for these groups (see Mills et al. 2009; Bayliss et al. 2010).

Crystals in the group are generally small, imperfect, and rare. Habit is usually either tabular {0001} or pseudo-cubic (cube-like rhombohedron) to pseudo-cuboctahedral, or acute-rhombohedral. Acicular habits are extremely rare.

Classification of Alunite Supergroup

Group Name

Chemical Properties of Alunite Supergroup


A = Na, K, Pb, Rb, NH4, Ag, H3O or H2O.
D = Al, Fe3+, V3+ or Ga3+; minor Cu, Zn, Ge and others.
The XO4 group may be partly protonated.

Relationship of Alunite Supergroup to other Species

Group Members:
Alunite Group 
  Alunite KAl3(SO4)2(OH)6
  Ammonioalunite (NH4)Al3(SO4)2(OH)6
  Ammoniojarosite (NH4)Fe33+(SO4)2(OH)6
  Argentojarosite AgFe33+(SO4)2(OH)6
  Beaverite-(Cu) Pb(Fe23+Cu)(SO4)2(OH)6
  Beaverite-(Zn) Pb(Fe23+Zn)(SO4)2(OH)6
  Dorallcharite TlFe33+(SO4)2(OH)6
  Huangite Ca0.5Al3(SO4)2(OH)6
  Hydroniumjarosite (H3O)Fe33+(SO4)2(OH)6
  Jarosite KFe3+ 3(SO4)2(OH)6
  Natroalunite NaAl3(SO4)2(OH)6
  Natroalunite-2c (Na,Ca0.5,K)Al3(SO4)2(OH)6
  Natrojarosite NaFe3(SO4)2(OH)6
  Osarizawaite Pb(Al2Cu2+)(SO4)2(OH)6
  Plumbojarosite Pb0.5Fe33+(SO4)2(OH)6
  Schlossmacherite (H3O)Al3(SO4)2(OH)6
  Walthierite Ba0.5Al3(SO4)2(OH)6
Beudantite Group AM3(XO4)(SO4)(OH)6
  Beudantite PbFe3(AsO4)(SO4)(OH)6
  Corkite PbFe3(PO4)(SO4)(OH)6
  Gallobeudantite PbGa3(AsO4)(SO4)(OH)6
  Hidalgoite PbAl3(AsO4)(SO4)(OH)6
  Hinsdalite PbAl3(PO4)(SO4)(OH)6
  Kemmlitzite SrAl3(AsO4)(SO4)(OH)6
  Svanbergite SrAl3(PO4)(SO4)(OH)6
  Weilerite BaAl3(AsO4)(SO4)(OH)6
  Woodhouseite CaAl3(PO4)(SO4)(OH)6
Dussertite Group 
  Arsenocrandallite CaAl3(AsO4)(AsO3OH)(OH)6
  Arsenoflorencite-(Ce) CeAl3(AsO4)2(OH)6
  Arsenoflorencite-(La) LaAl3(AsO4)2(OH)6
  Arsenoflorencite-(Nd) NdAl3(AsO4)2(OH)6
  Arsenogorceixite BaAl3(AsO4)(AsO3OH)(OH)6
  Arsenogoyazite SrAl3(AsO4)(AsO3OH)(OH)6
  Arsenowaylandite BiAl3(AsO4)2(OH)6
  Dussertite BaFe33+(AsO4)(AsO3OH)(OH)6
  Graulichite-(Ce) CeFe33+(AsO4)2(OH)6
  Philipsbornite PbAl3(AsO4)2(OH)5 · H2O
  Segnitite PbFe33+(AsO4)2(OH,H2O)6
Plumbogummite Group 
  Benauite SrFe33+(HPO4,PO4)2(OH)6
  Crandallite CaAl3(PO4)(PO3OH)(OH)6
  Eylettersite Th0.75Al3(PO4)2(OH)6
  Florencite-(Ce) CeAl3(PO4)2(OH)6
  Florencite-(La) LaAl3(PO4)2(OH)6
  Florencite-(Nd) NdAl3(PO4)2(OH)6
  Florencite-(Sm) SmAl3(PO4)2(OH)6
  Galloplumbogummite Pb(Ga,Al,Ge)3(PO4)2(OH)6
  Gorceixite BaAl3(PO4)(PO3OH)(OH)6
  Goyazite SrAl3(PO4)(PO3OH)(OH)6
  Kintoreite PbFe3(PO4)(PO3OH)(OH)6
  Kintoreite-2c PbFe33+(PO4)2(OH,H2O)6
  Plumbogummite PbAl3(PO4)(PO3OH)(OH)6
  Springcreekite BaV33+(PO4)2(OH,H2O)6
  Waylandite BiAl3(PO4)2(OH)6
  Zaïrite BiFe33+(PO4)2(OH)6
Unnamed (Ba-Fe Vanadate) Ba, Fe, V, O, H

Other Names for Alunite Supergroup

Name in Other Languages:

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.

Alunite Supergroup in petrology

Common component of (items highlighted in red)

References for Alunite Supergroup

Reference List:
Hendricks (1937) American Mineralogist: 22: 773.

Lemmon (1937) American Mineralogist: 22: 939.

McConnell (1942) American Journal of Science: 240: 649.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 555-556.

Mills, S.J., Hatert, F., Nickel, E.H. & Ferraris, G. (2009) The standardisation of mineral group hierarchies: application to recent nomenclature proposals. Eur. J. Mineral. 21: 1073–1080.

Sato, E., Nakai, I., Miyawaki, R. & Matsubara, S. (2009): Crystal structures of alunite family minerals: beaverite, corkite, alunite, natroalunite, jarosite, svanbergite, and woodhouseite. Neues Jahrbuch für Mineralogie Abhandlungen 185, 313-322.

Bayliss, P., Kolitsch, U., Nickel, E.H., Pring, A. (2010): Alunite supergroup: recommended nomenclature. Mineralogical Magazine, 74, 919-927.

Grey, I. E. Shanks, F. L. Wilson, N. C. Mumme, W. G. and Birch, W. D. (2011): Carbon incorporation in plumbogummite-group minerals. Mineral. Mag. 75, 145-158.

Maubec, N., Lahfid, A., Lerouge, C., Wille, G., Michel, K. (2012): Characterization of alunite supergroup minerals by Raman spectroscopy. Spectrochimica Acta A, 96, 925-939.

Pekov, I.V., Khanin, D.A., Yapaskurt, V.O., Pakunova, A.V., Ekimenkova, I.A. (2015): Minerals of the beudantite—segnitite series from the oxidation zone of Berezovskoe gold ore deposit, the Middle Urals: variations of chemical composition, behavior of admixtures, antimony-bearing varieties. Zapiski Rossiiskogo Mineralogicheskogo Obshchestva, 144 (3), 89-105.

Pekov, I.V., Khanin, D.A., Yapaskurt, V.O., Pakunova, A.V., Ekimenkova, I.A. (2016): Minerals of the beudantite–segnitite series from the oxidation zone of the Berezovskoe gold deposit, Middle Urals: Chemical variations, behavior of admixtures, and antimonian varieties. Geology of Ore Deposits 58, 600-611. [English version of Pekov et al., 2015]

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Localities for Alunite Supergroup

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