Articles | Volume 35, issue 2
https://doi.org/10.5194/ejm-35-189-2023
https://doi.org/10.5194/ejm-35-189-2023
Research article
 | 
27 Mar 2023
Research article |  | 27 Mar 2023

Pleysteinite, [(H2O)0.5K0.5]2Mn2Al3(PO4)4F2(H2O)10  ⋅  4H2O, the Al analogue of benyacarite, from the Hagendorf-Süd pegmatite, Oberpfalz, Bavaria, Germany

Ian E. Grey, Rupert Hochleitner, Christian Rewitzer, Anthony R. Kampf, Colin M. MacRae, Robert W. Gable, William G. Mumme, Erich Keck, and Cameron Davidson

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Cited articles

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Demartin, F., Pilati, T., Gay, H. D., and Gramaccioli, C. M.: The crystal structure of a mineral related to paulkerrite, Z. Kristallogr., 208, 57–71, 1993. 
Demartin, F., Gay, H. D. Gramaccioli, C. M., and Pilati, T.: Benyacarite, a new titanium-bearing phosphate mineral species from Cerro Blanco, Argentina, Can. Mineral., 35, 707–712, 1997. 
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Fransolet, A.-M., Oustriere, P., Fontan, F., and Pillard, F.: La mantiennéite, une novelle espèce minérale du gisement de vivianite d'Anloua, Cameroun. Bull. Mineral., 107, 737–744, 1984. 
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Short summary
Pleysteinite has been approved as a new mineral species, and we describe here the characterisation of the mineral and its relationship to related minerals benyacarite, paulkerrite and mantienneite. The characterisation includes the determination and refinement of the crystal structure, electron microprobe analyses, optical properties and interpretation of its Raman spectrum.