Juraj Leško's Photo Gallery
YY1-CXTCalcite CaCO3 , Pyrite FeS2
White calcite veinlet cutting the metamorphosed basic rock in Zlatník quarry. To the left of one euro coin are also visible pyrites enclosed in calcite. Pyrites are partially limonitized. August 2013.
Zlatník quarry
View on the Zlatník quarry. August 2013.
RKA-NCVAzurite Cu3(CO3)2(OH)2
Azurite coatings along plane of schistosity in phyllite. Found in August 2013 at the north-east margin of open pit at the former Bankov magnesite mine.
Headframe
Headframe of the shaft at site of former Bankov magnesite mine.
August 2013.
EYP-UFFCinnabar HgS , Pyrite FeS2 , Quartz SiO2
Cinnabar (ci) and pyrite (py) enclosed in quartz (qtz). Polished section in reflected light with crossed nicols, magnification 100x. Found in september 2012.
Josef shaft
View of Josef Shaft in Jáchymov. September 2012
XA5-2FJArsenopyrite FeAsS , Quartz SiO2
Largest Crystal Size: 3 mm
3 mm arsenopyrite crystal enclosed in quartz. Found on the mine dump of Hauser adit in 2011.
Unknown mineral
Black grain 1,5 mm long of unknown mineral enclosed in quartz veinlet cutting granite. Possibly it can be a Nb-Ta or REE mineral. Found in september 2010 on lower mine dump near Hnilec village.
39U-RVQFerberite FeWO4 , Stibnite Sb2S3 , Ankerite Ca(Fe2+,Mg)(CO3)2 , Quartz SiO2
Black irregular grain of ferberite 2 mm long in the centre of the photo. To the left of the ferberite are slightly visible needles of stibnite located close to ferberite. Stibnite is enclosed in quartz. Yellowish mineral on the right side of the photo is ankerite. Found in 2009 on mine dumps of Rozabela vein.
Mine dump
Overgrown mine dump represents remains of old mining activity on Rozabela vein. This mine dump is located on the western slope of Štofová valley. August 2009.
