Tridymite from Central Sudetes, Czech Republic/Poland
Czech Republic | |
| Jirásek, J. (2001) Thermal Changes of the Rocks in the Dump Pile of the Kateřina Colliery in Radvanice (Eastern Bohemia). Ostrava: VSB – Technical University of Ostrava, Institute of Geological Engineering - 541, 69 p. |
Poland | |
| Lis, Józef, Sylwestrzak, Hubert (1986) Minerały Dolnego Śląska [Minerals of the Lower Silesia]. Wydawnictwa Geologiczne, Warszawa. p.1-791. |
| Trippke P. ( 1878) - Beiträge zur Kenntnis der schlesischen Basalte und ihrer Mineralien. Zeitschrift der Deutschen Geologischen Gesellschaft Bd.30 |