 | | Journal (article/letter/editorial) | | Article Pickeringite from the Stone Town Nature Reserve in Ci˛eżkowice (the Outer Carpathians, Poland) Mariola...Technology, al. Mickiewicza 30, 30-059 Kraków, Poland; agawel@agh.edu.pl (A.G.); wlodek@agh.edu.pl (A...February 2020 Abstract: Pickeringite, ideally MgAl2 (SO4 )4 ·22H2 O, is a member...of weathering rock-forming aluminosilicates. Pickeringite discussed here occurs within the efflorescences...efflorescences on sandstones from the Stone Town Nature Reserve in Ci˛eżkowice (the Polish Outer Carpathians) |  | Silva, Teresa P., Matos, João X., de Oliveira, Daniel, Morais, Igor, Gonçalves, Pedro, Albardeiro, Luís, Carvalho, Fernanda, Menda, Ugur D., Veiga, João P. (2021) Orange Pickeringite from the Algares 30-Level Adit, Aljustrel Mine, Iberian Pyrite Belt, Portugal. Minerals, 11 (10) 1115 doi:10.3390/min11101115 | Journal (article/letter/editorial) | | minerals Article Orange Pickeringite from the Algares 30-Level Adit, Aljustrel Mine, Iberian Pyrite...Carvalho, F.; Menda, U.D.; Veiga, J.P. Orange Pickeringite from the Algares 30-Level Adit, Aljustrel Mine...the presence of trivalent iron on iron-rich pickeringite in partial substitution of aluminium. Portugal...Academic Editor: Stefan Peiffer Keywords: orange pickeringite; halotrichite; efflorescent minerals; underground...such as halotrichite [FeAl2 (SO4 )4 ·22H2 O]/pickeringite [MgAl2 (SO4 )4 ·22H2 O]. Indeed, these minerals |
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