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Hydrotalcite Supergroup

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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

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Relationship of Hydrotalcite Supergroup to other Species

Group Members:
Brugnatellite
Mg
 
6
Fe
3+
 
(CO
 
3
)(OH)
 
13
· 4H
 
2
O
Coalingite
Mg
 
10
Fe
3+
2
(OH)
 
24
[CO
 
3
] · 2H
 
2
O
Cualstibite Group
Fougèrite Group
Glaucocerinite Group
Hydrocalumite Group
Hydrotalcite Group
Mg
 
6
R
3+
2
(OH)
 
16
CO
 
3
·4H
 
2
O, where R
3+
 
= Al, Cr, or Fe
Muskoxite
Mg
 
7
Fe
 
4
O
 
13
· 10H
 
2
O
Quintinite Group
Wermlandite Group
Woodwardite Group

Other Names for Hydrotalcite Supergroup

Synonyms:
HTlcLayered double hydroxidesLDH
Other Languages:

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

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.

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  • Localities for Hydrotalcite Supergroup

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