Articles | Volume 16, issue 17
Atmos. Chem. Phys., 16, 10927–10940, 2016
https://doi.org/10.5194/acp-16-10927-2016
Atmos. Chem. Phys., 16, 10927–10940, 2016
https://doi.org/10.5194/acp-16-10927-2016
Research article
05 Sep 2016
Research article | 05 Sep 2016

Not all feldspars are equal: a survey of ice nucleating properties across the feldspar group of minerals

Alexander D. Harrison et al.

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Short summary
Mineral dust particles are known to act as effective ice nucleating particles in the atmosphere and to play a role in the glaciation of mixed phase clouds. We have measured the ice nucleation activity of 15 different feldspar samples using a droplet freezing experiment and shown that alkali feldspars nucleate ice much more efficiently than plagioclase feldspars. We have also shown that certain "hyper-active" alkali feldspars nucleate ice very efficiently compared to typical alkali feldspars.
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