Cited by 321Calcium Carbonate Crystallization and InhibitionGeochemistry and Elemental AnalysisCO2 Sequestration and Geologic Interactions

Mechanisms of classical crystal growth theory explain quartz and silicate dissolution behavior

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Dove, Patricia M., Han, Nizhou, De Yoreo, James J.·2005·Proceedings of the National Academy of Sciences

Abstract

The central control of mineral weathering rates on biogeochemical systems has motivated studies of dissolution for more than 50 years. A complete physical picture that explains widely observed variations in dissolution behavior is lacking, and some data show apparent serious inconsistencies that cannot be explained by the largely empirical kinetic “laws.” Here, we show that mineral dissolution can, in fact, be understood through the same mechanistic theory of nucleation developed for mineral growth. In principle, this theory should describe dissolution but has never been tested. By generalizing nucleation rate equations to include dissolution, we arrive at a model that predicts how quartz dissolution processes change with undersaturation from step retreat, to defect-driven and homogeneous etch pit formation. This finding reveals that the “salt effect,” recognized almost 100 years ago, arises from a crossover in dominant nucleation mechanism to greatly increase step density. The theory also explains the dissolution kinetics of major weathering aluminosilicates, kaolinite and K-feldspar. In doing so, it provides a sensible origin of discrepancies reported for the dependence of kaolinite dissolution and growth rates on saturation state by invoking a temperature-activated transition in the nucleation process. Although dissolution by nucleation processes was previously unknown for oxides or silicates, our mechanism-based findings are consistent with recent observations of dissolution (i.e., demineralization) in biological minerals. Nucleation theory may be the missing link to unifying mineral growth and dissolution into a mechanistic and quantitative framework across the continuum of driving force.

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Crossref · 10.1073/pnas.0507777102

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  • The dissolution of quartz increases with increasing pH because Si-O-Si bond breakage is facilitated by hydroxyls.

    “Conversely, the dissolution of quartz (SiO2), the structure of which is based entirely on Si-O-Si bridges, increases with increasing pH 117 because Si-O-Si bond breakage is facilitated by hydroxyls.118,119”

    From Molecular-scale mechanisms of CO2 mineralization in nanoscale interfacial water films (2022) · cites this paper as [119]

    The Methods report that the quartz experiments used input solutions at circumneutral pH, while the Results examine saturation state and added salts—not increasing pH. A separate passage says pH strongly controls silicate dissolution rates, but gives no direction for quartz. The hydroxyl-mediated bond-breakage explanation is attached to other citations in the citing sentence. (LLM, conf=0.74)

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Research works printed but not linked: 6

  1. [6]6. Holland, H. D. (Princeton Univ. Press, Princeton).
  2. [9]9. Chernov, A. A. (1984) in Modern Crystallography III, Springer Series in Solid-State Sciences, eds.
  3. [10]10. Cardona, M., Fulde, P. & Queisser, H. J. (Springer, New York), Vol. 36, pp. 48-158.
  4. [14]14. De Yoreo J. J. & Vekilov P. G. (2003) in Biomineralization: Reviews in Mineralogy and Geochemistry, eds. Dove, P. M., De Yore, J. J. & Weiner, S. (Mineralogical Society of America Geochemical Society, Chantilly, VA), Vol. 54, pp. 57-93.
  5. [17]17. Brantley, S. L., Crane, S. R., Crerar, D. A., Hellmann, R. & Stallard, R. (1986) in Geochemical Process at Mineral Surfaces, ACS Symposium Series, eds.
  6. [18]18. Davis, J. A. & Hayes, K. F. (American Chemical Society, Washington, DC), Vol. 323, pp. 635-649.

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Authors
Dove, P. M., Han, N., & De Yoreo, J. J.
Affiliations
  • Lawrence Livermore National Laboratory (US)
  • Department of Geosciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061; and Department of Chemistry and Materials Science, Lawrence Livermore National Laboratory, Livermore, CA 94551
Venue
Proceedings of the National Academy of Sciences
Published
2005-10-17
Volume
102
Issue
43
Pages
15357-15362
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2067608390
Cited by
321
References
24
Citations by year
2026: 14 · 2025: 19 · 2024: 16 · 2023: 25 · 2022: 16 · 2021: 15 · 2020: 23 · 2019: 16 · 2018: 18 · 2017: 11 · 2016: 18 · 2015: 18 · 2014: 11 · 2013: 15 · 2012: 14
FWCI
5.11
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Science Foundation (0083173, 9903349)
  • U.S. Department of Energy (W-7405, FG0200ER15112, -7405-ENG-48)
  • Lawrence Livermore National Laboratory (W-7405-ENG 48, -7405-Eng-48)
Topics
  • Physical Sciences › Materials Science › Biomaterials › Calcium Carbonate Crystallization and Inhibition
  • Physical Sciences › Earth and Planetary Sciences › Geochemistry and Petrology › Geochemistry and Elemental Analysis
  • Physical Sciences › Environmental Science › Environmental Engineering › CO2 Sequestration and Geologic Interactions
Keywords
mineral dissolution, nucleation theory, quartz dissolution, silicate dissolution, mineral weathering, kaolinite, K-feldspar, aluminosilicates, salt effects, etch pits, undersaturation, dissolution kinetics, saturation state

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