(Zalas, Kraków, Małopolskie, Polska)
Quarry of Permian volcanics (ryodacites and andesites) also with sandy limestones with hydrothermal mineralization.
Ref.: Gołębiowska B., Matyszkiewicz J., Molenda R., Górny A. 2006: Hydrothermal mineralization in Middle Jurassic sandy Limestones from Zalas (near Cracow, S Poland). Mineralogia Polonica - Special Papers, vol. 28, 81-83