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Manasseite Group

Formula:
Mg
 
6
R
3+
2
(OH)
 
16
CO
 
3
·4H
 
2
O, where R
3+
 
 = Al, Cr, or Fe


Structurally layer-lattices based on a stacking of hydroxide layers along [0001], as in brucite.

See also the related Hydrotalcite Group.


Classification of Manasseite Group

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Chemical Properties of Manasseite Group

Formula:
Mg
 
6
R
3+
2
(OH)
 
16
CO
 
3
·4H
 
2
O, where R
3+
 
 = Al, Cr, or Fe

Relationship of Manasseite Group to other Species

Minerals in Group:
Barbertonite:
Mg
 
6
(Cr,Al)
 
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
Fougèrite:
(Fe
2+
 
,Mg)
 
6
Fe
3+
2
(OH)
 
18
 · 4H
 
2
O
Manasseite:
Mg
 
6
Al
 
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O
Sjögrenite:
Mg
 
6
Fe
3+
2
[(OH)
 
16
|CO
 
3
] · 4H
 
2
O

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 Manasseite Group

Reference List:Frondel (1941): Constitution and polymorphism of the pyroaurite and sjögrenite groups. American Mineralogist 26: 295.

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 653 (as Sjogrenite Group).

Internet Links for Manasseite Group

Search Engines:
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  • Find Manasseite Group on www.crystalclassics.co.uk
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  • Buy Minerals and Crystals from Crystalarium.com
  • Fabre Minerals - search for Manasseite Group specimens
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