Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 26, issue 8
Articles | Volume 26, issue 8
https://doi.org/10.5194/acp-26-5635-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-26-5635-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 8
Measurement report
 | 
24 Apr 2026
Measurement report |  | 24 Apr 2026

Measurement report: Ice nucleation ability of perthite feldspar powder

Julia Canet, Laura Rodríguez, Galit Renzer, Pura Alfonso, Mischa Bonn, Konrad Meister, Maite Garcia-Valles, and Albert Verdaguer

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Short summary
Alkali-feldspars are known to be efficient ice-nucleating particles. Analysis on the efficiency of perthite feldspars show that it depends on crystallographic structure rather than composition. Microcline-perthites displayed a continuous increase in active site density as temperature was cooled down, while orthoclase showed plateaus, reflecting interruptions in the increase of activity with temperature. These results suggest that order enhances while disorder limits ice nucleation activation.
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