Sulphur from selected localities.
Hungary | |
| Sánoor Szakáll, Mária Foldvári, Gábor Papp, Péter Kovács-pálffy, Árpád Kovács (1997) Secondary Sulphate Minerals From Hungary. Acta Mineralogica-petrographica, Szeged, Xxxviii, Supplementum, 7-63. |
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| Ferenc Kovács - collection |
| Szakáll - Gatter: Minerals of Hungary |
Károlytáró, Gyöngyösoroszi, Gyöngyös District, Heves County, Hungary