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NMR evidence for five- and six-coordinated aluminum fluoride complexes in F-bearing aluminosilicate glasses
S. C. Kohn, R. Dupree, M. G. Mortuza and C. M. B. Henderson
NMR evidence for five- and six-coordinated aluminum fluoride complexes in F-bearing aluminosilicate glasses
American Mineralogist (February 1991) 76 (1-2): 309-312
NMR evidence for five- and six-coordinated aluminum fluoride complexes in F-bearing aluminosilicate glasses
American Mineralogist (February 1991) 76 (1-2): 309-312
Index Terms/Descriptors
- aluminosilicates
- chain silicates
- clinopyroxene
- coordination
- cryolite
- crystal chemistry
- experimental studies
- fluorides
- fluorine
- geochemistry
- glasses
- halides
- halogens
- igneous rocks
- jadeite
- magmas
- minerals
- NMR spectra
- phase equilibria
- pyroxene group
- silicates
- spectra
- synthesis
- volcanic rocks
- Al2O3-SiO2
- aluminum fluoride
Abstract
Anhydrous glasses of jadeite + NaF and jadeite + cryolite compositions were quenched from melts at 1250 degrees C and 3.0- 3.5 kbar. The presence of (super [4]) Al, (super [5]) Al, and (super [6]) Al was demonstrated in both glasses. The (super [5]) Al is thought to be present in AlF (super 2-) (sub 5) complexes, a previously unknown species.
ISSN: 0003-004X
EISSN: 1945-3027
Coden: AMMIAY
Serial Title: American Mineralogist
Serial Volume: 76
Serial Issue: 1-2
Title: NMR evidence for five- and six-coordinated aluminum fluoride complexes in F-bearing aluminosilicate glasses
Affiliation: Univ. Warwick, Dep. Phys.,
Coventry,
United Kingdom
Pages: 309-312
Published: 199102
Text Language: English
Publisher: Mineralogical Society of America,
Washington, DC,
United States
References: 20
Accession Number: 1991-032485
Categories: Mineralogy of silicates
Document Type: Serial
Bibliographic Level: Analytic
Annotation: Letter
Illustration Description: illus. incl. 1 table
Secondary Affiliation: Univ. Manchester,
GBR,
United Kingdom
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United KingdomTwickenhamUKUnited Kingdom
Update Code: 1991
