“Acicular aggregates of pale green parnauite replacing emerald green crystalline crusts of brochantite. Both minerals were confirmed by PXRD and EMPA-WDS. Field of view is 6 mm. Photo and collection Martin Števko. Ref.: Števko M., Sejkora J., Bačík P., 2011: Mineralogy and origin of supergene mineralization at the Farbište ore occurrence near Poniky, central Slovakia. Journal of Geosciences, 57, 3, 273-298.”
Martin Stevko - 16th August 2011