Köves Hill, Gyöngyöstarján, Gyöngyös District, Heves County, Hungary

Collected in 2012. FOV: 6 cm

© Dávid Szabó

Red, ligamental jasper. Size:60*36*25mm

© Tamás Ungvári Collection

Ligamental,laminated geyserite with red jasper. Size:69*55*60mm

© Tamás Ungvári Collection

Black dentritic manganese oxides in geyserite. Overall size:190*97*101mm

© Tamás Ungvári Collection

Stalactitic chalcedony crust on hydrquartzite matrix. Width of the picture:20mm

© Tamás Ungvári Collection

Yellowish white, stalactitic chalcedony. Width of the picture:20mm

© Tamás Ungvári Collection

Collected in 2012. FOV: 12,4 cm

© mindat.org

Chalcedony after mordenite. Collected in 2012. FOV: 8,5 cm

© Dávid Szabó

September, 2004.

© Tamás Ungvári 2005

September, 2004.

© Tamás Ungvári 2005

September, 2004.

© Tamás Ungvári 2005

Potential quartz and chalcedony var. locality precincts of Köves Hill. Photo: September, 2004

© Tamás Ungvári 2005