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Sites: Cerro Blanco, Agua Shuca, San Isidro, El Salvador (quartz, opal CT, cristobalite, alunite-crandallite, alunite, amorphous matter, alunogen, woodhouseite, gorceixite, aluminite, kaolinite, goethite, florencite, jarosite, dussertite, lepidocrocite, smectite, feldspar, pyrite), La Noemia, Sangal, Socosmayo, EI Sol 3, La Providencia, El Guitarrero, Peru (quartz, tridymite, cristobalite, alunite, svanbergite-woodhouseite, opal CT, barite, smectite-illite mixed-layer, pyrophyllite, smectite, muscovite, halloysite, metahalloysite, kaolinite, dickite, zunyite, topaz, anatase, alunite, svanbergite-woodhouseite, P-bearing alunite, REE-bearing woodhouseite- svanbergite, florencite-bearing crandallite-goyazite, florencite-goyazite), La Vanguardia, Chile (quartz, muscovite, kaolinite Ca-Pb-bearing alunite, woodhouseite-hinsdalite, K-bearing svanbergite-woodhouseite, K-REE-bearing woodhouseite, Ca-Sr-bearing florencite), Desa Toraget, Indonesia (aluminum sulfates, native sulfur, kaolinite, Pb-bearing alunite, Pb-bearing alunite-woodhouseite), Cosuno and Milluri, Bolivia (Ag-Au-Zn-Bi-As minerals, stibnite, quartz, Fe-sulfides, dickite, kaolinite, nontronite, alunite)