Polished sphere made of ophicalcite from Sudetes (Poland)
Polished sphere made of agate litophyse from Kaczawskie Mts. (Poland, Sudetes)
Beryl crystal in pegmatite from Strzelin massif (Sudetes, Poland)
Prase quartz in quartz-carbonate vein from Sudetes (Poland)
Petrified wood from Poland
Pyrite in quartz vein from Sudetes (Poland).
Agates, two halves, from Sudetes (Poland)
Group of pyrite crystals from coal mine in Poland (Upper Silesia)
Tetrahedrite in quartz-barite vein from Sudetes (Poland)
Prase quartz in quartz-carbonate vein from Sudetes (Poland)
Amethyste, polished specimen from Sudetes (Poland)