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Hydrotalcite Supergroup

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A supergroup of minerals with natural layered double hydroxides (LDC). They are characterized with structurally layer-lattices based on a stacking of positively charged hydroxide layers along [0001], as in brucite, with interlayer anions and variable amounts of water molecules.

The nomenclature was recently revised by Mills et al. (2012).

In inorganic chemistry, this family of compounds is called "layered double hydroxides" (LDH) or "HTlc" (hydrotalcite-like compounds) or "anionic clays" (the interlayer anions can be exchanged for other anions).


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Classification of Hydrotalcite SupergroupHide

Approved
Notes:
Group Name

Synonyms of Hydrotalcite SupergroupHide

Other Language Names for Hydrotalcite SupergroupHide

Relationship of Hydrotalcite Supergroup to other SpeciesHide

Group Members:
Brugnatellite Mg6Fe3+(CO3)(OH)13 · 4H2OHex.
Coalingite Mg10Fe3+2(OH)24[CO3] · 2H2OTrig.
Cualstibite Group 
  Cualstibite Cu2Al(OH)6[Sb5+(OH)6]Trig. 3 : P3
  Omsite Ni2Fe3+(OH)6[Sb(OH)6]Trig. 3 : P3
  Zincalstibite Zn2Al(OH)6[Sb5+(OH)6]Trig. 3 : P3
Fougèrite Group 
  Fougèrite Fe2+4Fe3+2(OH)12[CO3]·3H2OTrig. 3m (3 2/m) : R3m
  Mössbauerite Fe3+6O4(OH)8[CO3] · 3H2O Trig. 3
  Trébeurdenite Fe2+2Fe3+4O2(OH)10CO3·3H2OTrig. 3m (3 2/m) : R3m
Glaucocerinite Group 
  Carrboydite [(Ni1-xAlx)(OH)2][SO4]x/2 · nH2OHex.
  Glaucocerinite (Zn1-xAlx)(OH)2(SO4)x/2 · nH2OHex.
  Hydrohonessite (Ni1-xFe3+x)(OH)2[SO4]x/2 · nH2OHex.
  Mountkeithite [(Mg1-xFe3+x)(OH)2][SO4]x/2 · nH2OHex.
  Zincaluminite Zn6Al6(SO4)2(OH)16 · 5H2O
Hydrocalumite Group 
  Hydrocalumite Ca4Al2(OH)12(Cl,CO3,OH)2 · 4H2OMon. 2 : P21
  Kuzelite Ca4Al2(OH)12[SO4] · 6H2OTrig.
Hydrotalcite Group Mg6R3+2(OH)16CO3·4H2O, where R3+ = Al, Cr, or Fe
  Desautelsite Mg6Mn3+2(OH)16[CO3] · 4H2OTrig. 3m (3 2/m)
  Droninoite Ni6Fe2+3(OH)16Cl2 · 4H2OTrig. 3m (3 2/m) : R3m
  Hydrotalcite Mg6Al2(OH)16[CO3] · 4H2OTrig. 3m (3 2/m) : R3m
    UM1965-08-OH:FeMgNi Fe-Mg-Ni-O-HTrig.
  Iowaite Mg6Fe3+2(OH)16Cl2 · 4H2OTrig. 3m (3 2/m) : R3m
  Meixnerite Mg6Al2(OH)16(OH)2 · 4H2OTrig. 3m (3 2/m) : R3m
  Pyroaurite Mg6Fe3+2(OH)16[CO3] · 4H2OTrig. 3m (3 2/m) : R3m
  Reevesite Ni6Fe3+2(OH)16(CO3) · 4H2OTrig.
  Stichtite Mg6Cr3+2(OH)16[CO3] · 4H2OTrig. 3m (3 2/m) : R3m
  Takovite Ni6Al2(OH)16[CO3] · 4H2OTrig.
  Woodallite Mg6Cr2(OH)16Cl2 · 4H2OTrig.
Muskoxite Mg7Fe4O13 · 10H2OTrig. 3m (3 2/m)
Quintinite Group 
  Caresite Fe2+4Al2(OH)12[CO3] · 3H2OTrig.
  Charmarite Mn2+4Al2(OH)12[CO3] · 3H2O
  Chlormagaluminite Mg4Al2(OH)12Cl2 · 3H2OHex.
  Comblainite Ni4Co2(OH)12[CO3] · 3H2OTrig.
  Quintinite Mg4Al2(OH)12[CO3] · 3H2OHex. 6 2 2 : P63 2 2
  Zaccagnaite Zn4Al2(OH)12[CO3] · 3H2OHex.
UM1987-05-OH:AlCMg Mg4Al2(OH)12(CO3,SO4)•3H2O
Wermlandite Group 
  Karchevskyite Mg18Al9(OH)54Sr2(CO3)9(H2O)6 (H3O)5Trig.
  Motukoreaite Mg6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2OTrig. 3m (3 2/m) : R3m
  Natroglaucocerinite Zn6Al3(OH)18[Na(H2O)6](SO4)2•6H2OHex.
  Nikischerite Fe2+6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2OTrig.
  Shigaite Mn6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2OTrig.
  Wermlandite Mg7Al2(OH)18[Ca(H2O)6][SO4]2 · 6H2OTrig. 3m (3 2/m) : P3c1
Woodwardite Group 
  Honessite (Ni1-xFe3+x)(OH)2[SO4]x/2 · nH2OTrig.
  Woodwardite Cu1-xAlx(OH)2[SO4]x/2 · nH2OTrig. 3m (3 2/m) : R3m
  Zincowoodwardite Zn1-xAlx(OH)2[SO4]x/2 · nH2OTrig.

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.

Hydrotalcite Supergroup in petrologyHide

An essential component of (items highlighted in red)

References for Hydrotalcite SupergroupHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Cavani F, Trifirb F, Vaccari A (1991) Hydrotalcite-type anionic clays: preparation, properties and applications. Catalysis Today 11, 173–301.
Evans DG, Slade RCT (2006) Structural aspects of layered double hydroxides. Struct. Bond. 119, 1–87.
Li F, Duan X (2006) Applications of layered double hydroxides. Struct. Bond. 119, 193–223.
He J, Wei M, Li B, Kang Y, Evans DG, Duan X (2006) Preparation of layered double hydroxides. Struct. Bond. 119, 89–119.
Wang Y, Gao H (2006) Compositional and structural control on anion sorption capability of layered double hydroxides (LDHs). J. Colloid Interf. Sci. 301, 19–26.
Goh K-H, Lim T-T, Dong Z (2008) Application of layered double hydroxides for removal of oxyanions: A review. Water Research 42, 1343–1368.
Nalawade P, Aware B, Kadam VJ, Hirlekar RS (2009) Layered double hydroxides: A review. Journal of Scientific and Industrial Research 68, 267–272.
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 Hydrotalcite SupergroupHide

Localities for Hydrotalcite SupergroupHide

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 ListShow

Mineral and/or Locality  
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