Prakovce, Gelnica District, Košice Region, Slovakia
Intergrowth of steel grey gersdorffite crystals in siderite. Older specimen collected in 1967. Photo and collection Martin Števko.
Zimná Voda uranium occurrence, Prakovce, Gelnica District, Košice Region, Slovakia
Black brannerite crystals in association with gold (yellow) in limonitised quartz. Photo and collection: Štefan Ferenc
© Štefan Ferenc
Columnar brannerite crystals growing on globular uraninite aggregate. Gold grains are disseminated in brownish quartz. Photo and collection: Štefan Ferenc
Rich accumulations of uraninite in quartz. Photo and collection: Štefan Ferenc
Black aggregates of uraninite in quartz. Photo and collection: Štefan Ferenc
Tiny flakes of gold enclosed in black aggregate of uraninite associated with prismatic crystals of brannerite. Self collected in 2022. Photographed by Luboš Hrdlovič. Martin Števko collection.
© Martin Števko
Uraninite aggregate pariculary replaced by yellow phosphuranylite (PXRD, EPMA) and "limonite". Photo and collection: Štefan Ferenc
Black aggregate of uraninite associated with slightly altered, metallic arsenopyrite and minor tiny flakes of gold. Self collected in 2022. Photographed by Luboš Hrdlovič. Martin Števko collection.
Black globular aggregates of uraninite replaced by minor yellow secondary minerals of uranium enclosed in redish quartz matrix. Self collected in 2022. Photographed by Luboš Hrdlovič. Martin Števko collection.
Remnants of exploration trench at the Zimná Voda uranium occurrence. Photographed by Martin Števko in April 2013.
Trohanka, Zimná Voda valley, Prakovce, Gelnica District, Košice Region, Slovakia
The main dump from the exploration pits at the Trohanka skarn body near Prakovce. Photographed by Martin Števko in March of 2016.
Collecting samples with amphibole rich metabasic rocks at the one of the old dumps at the Trohanka occurrence. Photographed by Martin Števko in April of 2020.
Recultived area after recent excavation of exploration trenches at the Zimná Voda uranium-gold prospect near Prakovce. Photographed by Martin Števko in May 2022.
Anna Relichová vein, Prakovce Fe-Cu mining district, Prakovce, Gelnica District, Košice Region, Slovakia
Portal of the Anna Relichová adit near Prakovce. Photographed by Martin Števko in April 2024.
Alžbeta vein, Prakovce Fe-Cu mining district, Prakovce, Gelnica District, Košice Region, Slovakia
Portal of the Alžbeta-dedičná adit near Prakovce. Photographed by Martin Števko in April 2024.
Frangepan vein, Prakovce Fe-Cu mining district, Prakovce, Gelnica District, Košice Region, Slovakia
Dump of the Frangepan adit near Prakovce. Photographed by Martin Števko in April 2024.