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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).

Classification of Hydrotalcite Supergroup

Group Name

Relationship of Hydrotalcite Supergroup to other Species

Group Members:
Brugnatellite Mg6Fe3+(CO3)(OH)13 · 4H2O
Coalingite Mg10Fe23+(OH)24[CO3] · 2H2O
Cualstibite Group 
  Cualstibite Cu2Al(OH)6[Sb5+(OH)6]
  Omsite Ni2Fe3+(OH)6[Sb(OH)6]
  Zincalstibite Zn2Al(OH)6[Sb5+(OH)6]
Fougèrite Group 
  Fougèrite Fe42+Fe23+(OH)12[CO3]·3H2O
  Mössbauerite Fe63+O4(OH)8[CO3] · 3H2O
  Trébeurdenite Fe22+Fe43+O2(OH)10CO3·3H2O
Glaucocerinite Group 
  Carrboydite [(Ni1-xAlx)(OH)2][SO4]x/2 · nH2O
  Glaucocerinite (Zn1-xAlx)(OH)2(SO4)x/2 · nH2O
  Hydrohonessite (Ni1-xFex3+)(OH)2[SO4]x/2 · nH2O
  Mountkeithite [(Mg1-xFex3+)(OH)2][SO4]x/2 · nH2O
  Zincaluminite Zn6Al6(SO4)2(OH)16 · 5H2O
Hydrocalumite Group 
  Hydrocalumite Ca4Al2(OH)12(Cl,CO3,OH)2 · 4H2O
  Kuzelite Ca4Al2(OH)12[SO4] · 6H2O
Hydrotalcite Group Mg6R23+(OH)16CO3·4H2O, where R3+ = Al, Cr, or Fe
  Desautelsite Mg6Mn23+(OH)16[CO3] · 4H2O
  Droninoite Ni6Fe32+(OH)16Cl2 · 4H2O
  Hydrotalcite Mg6Al2(OH)16[CO3] · 4H2O
    UM1965-08-OH:FeMgNi Fe-Mg-Ni-O-H
  Iowaite Mg6Fe23+(OH)16Cl2 · 4H2O
  Meixnerite Mg6Al2(OH)16(OH)2 · 4H2O
  Pyroaurite Mg6Fe23+(OH)16[CO3] · 4H2O
  Reevesite Ni6Fe23+(OH)16(CO3) · 4H2O
  Stichtite Mg6Cr2(OH)16[CO3] · 4H2O
  Takovite Ni6Al2(OH)16[CO3] · 4H2O
  Woodallite Mg6Cr2(OH)16Cl2 · 4H2O
Muskoxite Mg7Fe4O13 · 10H2O
Quintinite Group 
  Caresite Fe42+Al2(OH)12[CO3] · 3H2O
  Charmarite Mn42+Al2(OH)12[CO3] · 3H2O
  Chlormagaluminite Mg4Al2(OH)12Cl2 · 3H2O
  Comblainite Ni4Co2(OH)12[CO3] · 3H2O
  Quintinite Mg4Al2(OH)12[CO3] · 3H2O
  Zaccagnaite Zn4Al2(OH)12[CO3] · 3H2O
UM1987-05-OH:AlCMg Mg4Al2(OH)12(CO3,SO4)•3H2O
Wermlandite Group 
  Karchevskyite Mg18Al9(OH)54Sr2(CO3)9(H2O)6 (H3O)5
  Motukoreaite Mg6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2O
  Natroglaucocerinite Zn6Al3(OH)18[Na(H2O)6](SO4)2•6H2O
  Nikischerite Fe62+Al3(OH)18[Na(H2O)6][SO4]2 · 6H2O
  Shigaite Mn6Al3(OH)18[Na(H2O)6][SO4]2 · 6H2O
  Wermlandite Mg7Al2(OH)18[Ca(H2O)6][SO4]2 · 6H2O
Woodwardite Group 
  Honessite (Ni1-xFex3+)(OH)2[SO4]x/2 · nH2O
  Woodwardite Cu1-xAlx(OH)2[SO4]x/2 · nH2O
  Zincowoodwardite Zn1-xAlx(OH)2[SO4]x/2 · nH2O

Other Names for Hydrotalcite 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.

Hydrotalcite Supergroup in petrology

An essential component of (items highlighted in red)

References for Hydrotalcite Supergroup

Reference List:
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 Supergroup URL:
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Localities for Hydrotalcite Supergroup

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