[Rockhounds] A unique perspective on the formation of Michigan copper crystals

[Steve S]

A recent open access paper published by the European Journal of Mineralogy.

On the anomalous shapes of native copper crystals from the Michigan Copper
Country
Jean-Claude Boulliard, Jérôme Aléon, and Eloïse Gaillou

https://ejm.copernicus.org/articles/33/9/2021/ejm-33-9-2021.html

___________________________
Regards
Steve

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