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Zn1-xAlx(OH)2[SO4]x/2 · nH2O
(x < 0.5, n < 3x/2)
Pale bluish to ...
named as the zinc analogue of Woodwardite.
The Zn analogue of Woodwardite.
A hydrated basic sulfate with the Hydrotalcite structure. The formula was stated as a compound hydroxide-hydrated sulfate in the Lapis article, but is restated here to conform with the formula for Woodwardite.

Compare 'UM1985-07-OH:AlCuSZn' - close in terms of chemistry and PXRD.

Classification of Zincowoodwardite


7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
D : Sulfates (selenates, etc.) with additional anions, with H2O
D : With only medium-sized cations; sheets of edge-sharing octahedra

Physical Properties of Zincowoodwardite

Diaphaneity (Transparency):
Pale bluish to bluish-white
White to bluish-white
Hardness (Mohs):

Optical Data of Zincowoodwardite


Chemical Properties of Zincowoodwardite

Zn1-xAlx(OH)2[SO4]x/2 · nH2O

(x < 0.5, n < 3x/2)
IMA Formula:
Zn1-xAlx(OH)2(SO4)x/2 · nH2O (x=0.32-0.50)
Elements listed in formula:

Crystallography of Zincowoodwardite

Crystal System:
Class (H-M)
Space Group:
Space Group Setting:
Cell Parameters:
Unit Cell Volume (calc):
Trigonal Trigonal 
3 - Rhombohedral3m (3 2/m) - Hexagonal Scalenohedral
a = 3.063 Å, c = 8.91 Å
a = 3.065 Å, c = 25.42 Å
a:c = 1 : 2.909a:c = 1 : 8.294
V 72.39 ų
(Calculated from Unit Cell)
V 206.81 ų
(Calculated from Unit Cell)
X-Ray Powder Diffraction Data:
Not determined(

Type Occurrence of Zincowoodwardite

Relationship of Zincowoodwardite to other Species

Other Members of Group:
Honessite(Ni1-xFex3+)(OH)2[SO4]x/2 · nH2O
WoodwarditeCu1-xAlx(OH)2[SO4]x/2 · nH2O
7.DD.05FelsőbányaiteAl4(SO4)(OH)10 · 4H2O
7.DD.10LangiteCu4(SO4)(OH)6 · 2H2O
7.DD.10PosnjakiteCu4(SO4)(OH)6 · H2O
7.DD.10WroewolfeiteCu4(SO4)(OH)6 · 2H2O
7.DD.15SpangoliteCu6Al(SO4)(OH)12Cl · 3H2O
7.DD.20KtenasiteZn(Cu,Zn)4(SO4)2(OH)6 · 6H2O
7.DD.25ChristeliteCu2Zn3(SO4)2(OH)6 · 4H2O
7.DD.30CampigliaiteMn2+Cu4(SO4)2(OH)6 · 4H2O
7.DD.30DevillineCaCu4(SO4)2(OH)6 · 3H2O
7.DD.30OrthoserpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
7.DD.30SerpieriteCa(Cu,Zn)4(SO4)2(OH)6 · 3H2O
7.DD.30NiedermayriteCdCu4(SO4)2(OH)6 · 4H2O
7.DD.35Carrboydite[(Ni1-xAlx)(OH)2][SO4]x/2 · nH2O
7.DD.35Glaucocerinite(Zn1-xAlx)(OH)2(SO4)x/2 · nH2O
7.DD.35Honessite(Ni1-xFex3+)(OH)2[SO4]x/2 · nH2O
7.DD.35Hydrohonessite(Ni1-xFex3+)(OH)2[SO4]x/2 · nH2O
7.DD.35MotukoreaiteMg6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2O
7.DD.35Mountkeithite[(Mg1-xFex3+)(OH)2][SO4]x/2 · nH2O
7.DD.35ShigaiteMn6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2O
7.DD.35WermlanditeMg7Al2(OH)18[Ca(H2O)6][SO4]2 · 6H2O
7.DD.35WoodwarditeCu1-xAlx(OH)2[SO4]x/2 · nH2O
7.DD.35ZincaluminiteZn6Al6(SO4)2(OH)16 · 5H2O
7.DD.35Hydrowoodwardite(Cu1-xAlx)(OH)2[SO4]x/2 · nH2O
7.DD.35NikischeriteFe62+Al3(OH)18[Na(H2O)6][SO4]2 · 6H2O
7.DD.40Lawsonbauerite(Mn2+,Mg)9Zn4(SO4)2(OH)22 · 8H2O
7.DD.40Torreyite(Mg,Mn2+)72Mn22+Zn4(SO4)2(OH)22 · 8H2O
7.DD.45MooreiteMg92Mn2Zn4(SO4)2(OH)26 · 8H2O
7.DD.50NamuwiteZn4(SO4)(OH)6 · 4H2O
7.DD.60Ramsbeckite(Cu,Zn)15(SO4)4(OH)22 · 6H2O
7.DD.65VonbezingiteCa6Cu3(SO4)3(OH)12 · 2H2O
7.DD.70RedgilliteCu6(SO4)(OH)10 · H2O
7.DD.75ChalcoalumiteCuAl4(SO4)(OH)12 · 3H2O
7.DD.75Nickelalumite(Ni,Cu)Al4(SO4,(NO3)2)(OH)12 · 3H2O
7.DD.80GuarinoiteZn6(SO4)(OH)10 · 5H2O
7.DD.80Schulenbergite(Cu,Zn)7(SO4)2(OH)10 · 3H2O
7.DD.80UM1992-30-SO:CCuHZn(Zn,Cu)7(SO4,CO3)2(OH)10 · 3H2O
7.DD.85MontetrisaiteCu6(SO4)(OH)10 · 2H2O

Other Names for Zincowoodwardite

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 Zincowoodwardite

Reference List:
WITZKE, T. & RAADE, G. (2000) Zincowoodwardite, [Zn1-xAlx(OH)2][(SO4)x/2(H2O)n], a new mineral of the hydrotalcite group. Neues Jahrbuch für Mineralogie, Monatshefte 2000, 455-465.

Mills, S.J., Christy, A.G., Genin, J.-M.R., Kameda, T., Colombo, F. (2012): Nomenclature of the hydrotalcite supergroup: natural layered double hydroxides. Mineralogical Magazine, 76, 1289-1336.

Internet Links for Zincowoodwardite URL:
Please feel free to link to this page.

Localities for Zincowoodwardite

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.
  • Auvergne-Rhône-Alpes
    • Savoie
      • Tarentaise valley
        • La Léchère (Notre Dame de Briançon)
De Ascencao Guedes R. (2001), Le Penay: un filon de galène argentifère (La Léchère, Savoie), Le Cahier des Micromonteurs, n°2, pp: 13-20
  • Occitanie
    • Ariège
      • Auzat
Collection and Collected by (Font Philippe) & analyzed by (Nicolas Meisser Musée Cantonal de géologie de Lausanne)
    • Gard
      • Alzon
J.-P. Bourgarel collection. EDS by the Jean Wyart association
    • Tarn
      • Réalmont
        • Montredon-Labessonnié
Chollet pascal Collection - collected by Jean-Pierre Bourgarel
  • Rhineland-Palatinate
    • Lahn valley
      • Bad Ems District
        • Frücht
Möhn, G., Frohwein, J. & Blaß, G. (2009): Neue Mineralfunde von der Grube Friedrichssegen bei Bad Ems. Lapis 34 (5), 35-40; 58.
Greece (TL)
  • Attikí Prefecture (Attica; Attika)
    • Lavrion District (Laurion; Laurium)
      • Lavrion District Mines
        • Agios Konstantinos [St Constantine] (Kamariza)
          • Kamariza Mines (Kamareza Mines)
T. Witzke & G. Raade (2000): Zincowoodwardite, [Zn 1-x Al x (OH) 2] [(SO 4) x/2 (H 2 O) n], a new mineral of the hydrotalcite group.- Neues Jahrbuch für Mineralogie, Monatshefte, 455-465
            • Hilarion area
T. Witzke & G. Raade (2000): Zincowoodwardite, [Zn 1-x Al x (OH) 2] [(SO 4) x/2 (H 2 O) n], a new mineral of the hydrotalcite group.- Neues Jahrbuch für Mineralogie, Monatshefte, 455-465
No reference listed
        • Sounion Area
          • Agia Varvara Mines (St Barbara Mines)
No reference listed
  • Sardinia
    • Cagliari Province
      • Villaputzu
Ciriotti M.E. and Blass.G. (2010) - Pot-pourri 2009: identificazioni UKiS AMI. Minerali italiani di interesse.. Micro (UK report), pagg. 124-127
  • Trentino-Alto Adige (Trentino-Südtirol)
    • Trento Province
      • Mocheni Valley
        • Frassilongo
          • Roveda
EDX analysis.
  • Banská Bystrica Region
    • Žarnovica Co.
      • Hodruša-Hámre (Hodritsch)
Števko M., Malíková R. (2014) Supergénne minerály zo štôlne Juraj, Hodruša-Hámre (Slovenská republika). Bull. mineral.-petrolog. odd. Nár. Muz (Praha), 22, 2, 261-268 (In Slovak with English abstract).
  • Wallis (Valais)
    • Anniviers Valley
      • Saint-Luc
[Zincowoodwardite-1T] Ansermet, S. (2012): Mines et minéraux du Valais - II. Anniviers et Tourtemagne. With contributions by N. Meisser, Ed. Porte-plumes (Ayer)
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