Tridymite from selected localities.
Hungary | |
| Szakáll, S., Földessy, J., Less, G., Fűköh, Dávid, A., Németh, N., Hadobás, S. & Piros, O. (2010): Mineralizations in Mesozoic-Tertiary volcanic and sedimentary units of NE Hungary (with a tour in the Baradla Cave, Aggtelek). Acta Mineralogica-Petrographica Field Guide Series 14, 1-32. |
| Szakáll-Gatter-Szendrei:Mineral Species of Hungary,2005 |
Csákány kő, Recsk, Pétervására District, Heves County, Hungary