Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/5878
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dc.contributor.authorallBellatreccia, F.; Università Roma Treen
dc.contributor.authorallDella Ventura, G.; Università Roma Treen
dc.contributor.authorallPiccinini, M.; Università Roma Treen
dc.contributor.authorallCavallo, A.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italiaen
dc.contributor.authorallBrilli, M.; I.N.F.N.en
dc.date.accessioned2010-02-01T08:11:46Zen
dc.date.available2010-02-01T08:11:46Zen
dc.date.issued2009-07-06en
dc.identifier.urihttp://hdl.handle.net/2122/5878en
dc.description.abstractThis paper reports an infrared spectroscopic study of a set of sodalite-group minerals. The specimens have been identified using a combination of X-ray diffraction and microchemical analysis. As expected, the Si/Al ratio is ~1; the extra framework cation content is characterized by a well-defined Na -(Ca+K) substitution. The lattice parameters of the studied samples range from sodalite (sample LM11) with a = 8.889(2) A , to hauyne (sample HR3S) with a = 9.1265(2) A. The specimens, having the SO4-- group as a dominant anion, show a clear correlation between the a cell edge and the K content. Single-crystal FTIR spectroscopy shows that hauyne and nosean typically contain enclathrated CO2 molecules,in addition to H2O and minor carbonate, while sodalite is virtually CO2-free. Detailed microspectrometric mappings show a non-homogeneous distribution of volatile constituents across the crystals, which may be related to the presence of fractures in the crystals. Because of such zoning, a relatively wide variation is observed when calibrating extinction coefficients on the basis of a bulk analytical method such as CHN elemental analysis.en
dc.language.isoEnglishen
dc.publisher.nameThe Mineralogical Societyen
dc.relation.ispartofMineralogical Magazineen
dc.relation.ispartofseries/73(2009)en
dc.subjectsodalite, hauyne, nosean, lazurite, H2O and CO2, cell parameters, EMP analysis, CHN analysis, FTIR powder, single-crystal spectroscopyen
dc.titleH2O and CO2 in minerals of the hauyne-sodalite group: an FTIR spectroscopy studyen
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumber399-413en
dc.subject.INGV04. Solid Earth::04.01. Earth Interior::04.01.04. Mineral physics and properties of rocksen
dc.identifier.doi10.1180/minmag.2009.073.3.399en
dc.description.obiettivoSpecifico2.3. TTC - Laboratori di chimica e fisica delle rocceen
dc.description.journalTypeJCR Journalen
dc.description.fulltextreserveden
dc.contributor.authorBellatreccia, F.en
dc.contributor.authorDella Ventura, G.en
dc.contributor.authorPiccinini, M.en
dc.contributor.authorCavallo, A.en
dc.contributor.authorBrilli, M.en
dc.contributor.departmentUniversità Roma Treen
dc.contributor.departmentUniversità Roma Treen
dc.contributor.departmentUniversità Roma Treen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italiaen
dc.contributor.departmentI.N.F.N.en
item.openairetypearticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextrestricted-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
crisitem.author.deptUniversità Roma Tre-
crisitem.author.deptDipartimento di Scienze Geologiche Università Roma Tre-
crisitem.author.deptUniversità Roma Tre-
crisitem.author.deptCNR-
crisitem.author.orcid0000-0001-6277-961X-
crisitem.classification.parent04. Solid Earth-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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