Parnauite, Brochantite

Specimen ID: YYG-J5E

Mineral(s)
Parnauite : Cu9(AsO4)2(SO4)(OH)10·7H2O
Brochantite : Cu4(SO4)(OH)6
Locality
Mindat locality:
Events

Photo added to mindat.org

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
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