Sequences of charged sheets in rectorite

Sequences of charged sheets in rectorite

Two rectorite samples, a Na- and Ca-rich rectorite (sample 1) from Beatrix mine, South Africa, and a Na-rich rectorite (sample 2) from Garland County, Arkansas, have been investigated quantitatively by solid-state 23Na, 27Al, and 29Si magic-angle spinning (MAS) NMR spectroscopy, total chemical disso...

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Veröffentlicht in:The American mineralogist 1995-04, Vol.80 (3-4), p.247-252
Hauptverfasser: Jakobsen, Hans J, Nielsen, Niels C, Lindgreen, Holger
Format: Artikel
Sprache:eng
Schlagworte:
Africa
Arkansas
Beatrix Mine
Cation exchange
Chemistry
clay minerals
crystal structure
Garland County Arkansas
Geology
margarite
mica group
Mineralogy
Minerals
NMR spectra
paragonite
rectorite
Scientific imaging
sheet silicates
silicates
smectite
South Africa
Southern Africa
spectra
United States
X-ray diffraction
X-ray diffraction data
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Beschreibung
Zusammenfassung:Two rectorite samples, a Na- and Ca-rich rectorite (sample 1) from Beatrix mine, South Africa, and a Na-rich rectorite (sample 2) from Garland County, Arkansas, have been investigated quantitatively by solid-state 23Na, 27Al, and 29Si magic-angle spinning (MAS) NMR spectroscopy, total chemical dissolution, cation exchange, and XRD techniques.
ISSN:0003-004X
1945-3027
DOI:10.2138/am-1995-3-406