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Crystal growth and dissolution kinetics of gypsum and fluorite; an in situ scanning force microscope study

Dirk Bosbach, Guntram Jordan and Werner Rammensee
Crystal growth and dissolution kinetics of gypsum and fluorite; an in situ scanning force microscope study
European Journal of Mineralogy (April 1995) 7 (2): 267-276

Abstract

Different dissolution processes occur on the (010) surface of gypsum and the (111) surface of fluorite. The local dissolution rate is strongly affected by the topography of the mineral surface. Different types of etch pits can be related to different structural defects. It is suggested that the dissolution rate of the (111) fluorite surface is controlled by surface diffusion, whereas growth and dissolution of the (010) surface of gypsum is controlled by volume diffusion. Kinetic data of monolayer step displacement can be derived from growth and dissolution experiments on the (010) surface of gypsum, but due to the complex dissolution process on the (111) fluorite surface reliable kinetic data on the molecular scale is difficult to obtain.


ISSN: 0935-1221
Serial Title: European Journal of Mineralogy
Serial Volume: 7
Serial Issue: 2
Title: Crystal growth and dissolution kinetics of gypsum and fluorite; an in situ scanning force microscope study
Affiliation: Universitat zu Koln, Mineralogisch-Petrographisches Institut, Cologne, Federal Republic of Germany
Pages: 267-276
Published: 199504
Text Language: English
Publisher: Schweizerbart'sche Verlagsbuchhandlung (Naegele u. Obermiller), Stuttgart, Federal Republic of Germany
References: 42
Accession Number: 1995-027329
Categories: Mineralogy of non-silicates
Document Type: Serial
Bibliographic Level: Analytic
Illustration Description: illus. incl. 1 table, 3 plates
Country of Publication: Germany
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data from Mineralogical Abstracts, United KingdomTwickenhamUKUnited Kingdom
Update Code: 199510
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