Abstract
Single-crystal overgrowth of the OH-phlogopite mica on natural seeds has been produced using the convective solute transport method of hydrothermal growth. Best conditions were found to be: 6.5m KOH-H 2O as solvent, 540–550°C as growth temperature and 1 kbar as total pressure. From internally measured temperature differentials, the isothermal growth kinetics of individual mica faces could be determined as a function of nominal supersaturations σ N. Lateral {11 l}, {02 l}, {20 l} and {13 l} forms, in spite of their great surface structure anisotropy, develop nearly according to the spiral growth mechanism with no significant contribution of volume diffusion of the solute. Basal {001} faces develop erratically and even stop growing at greater σ N, being self-poisoned by mica nuclei; the growth habit simplifies and the platelet flattening becomes more pronounced as σ N increases.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
