Articles | Volume 36, issue 1
https://doi.org/10.5194/ejm-36-153-2024
https://doi.org/10.5194/ejm-36-153-2024
New minerals, nomenclature, and classification
 | 
30 Jan 2024
New minerals, nomenclature, and classification |  | 30 Jan 2024

Heimite, PbCu2(AsO4)(OH)3 ⋅ 2H2O, a new mineral from the Grosses Chalttal deposit, Switzerland

Thomas Malcherek, Boriana Mihailova, Jochen Schlüter, Philippe Roth, and Nicolas Meisser

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Cited articles

Bächtiger, K.: Die Kupfer- und Uranmineralisationen der Mürtschenalp (Kt. Glarus, Schweiz), Beiträge zur Geologie der Schweiz, Geotechnische Serie, Lieferung 38, 113 pp., https://doi.org/10.3929/ethz-a-000088857, 1963. 
Badertscher, N. P., Beaudoin, G., Therrien, R., and Burkhard, M.: Glarus overthrust: A major pathway for the escape of fluids out of the Alpine orogen, Geology, 30, 875–878, 2001. 
Callegari, A. M., Boiocchi, M., Zema, M., and Tarantino, S. C.: Crystal structure refinement of duftite, PbCu(AsO4)(OH), from Grube Clara, Oberwolfach, Schwarzwald, Germany, Neues Jb. Miner. Abh., 194, 157–164, 2017. 
Dill, H. G, Gerdes, A., and Weber, B.: Age and mineralogy of supergene uranium minerals – tools to unravel geomorphological and palaeohydrological processes in granitic terrains (Bohemian Massif, SE Germany), Geomorphology, 117, 44–65, 2010. 
Eby, R. K. and Hawthorne, F. C.: Clinoclase and the Geometry of [5]-Coordinate Cu2+ in Minerals, Acta Crystallogr. C, 46, 2291–2294, 1990. 
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Short summary
The new mineral heimite was originally discovered on the mine dumps of the Grosses Chalttal deposit, Mürtschenalp district, Glarus, Switzerland. Its relatively simple chemistry is formed by water and ions of lead, copper, arsenic, hydrogen and oxygen. The mineral's crystal structure is related to the well-known duftite, which is also observed to grow on crystals of heimite. While heimite has so far only been found in the central Alps, it is expected to occur in other copper deposits worldwide.
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