Leucocratic rock from Sudetes (Poland)
Serpentine-group mineral from Sudetes (Poland)
Tourmaline crystals in greisen from sudetes (Poland)
Tourmaline crystals in greisen from sudetes (Poland)
Ore vein with pyrite crystals from Sudetes (Poland)
Quartz druse from eastern Sudetes (Poland)
Quartz druse from eastern Sudetes (Poland)
Fan-like quartz from Sudetes (Poland)
Feldspar druse from Karkonosze (Sudetes, Poland)
Pumpellyite on quartz druse (Karkonosze Mts., Sudetes)
Amethyste, polished specimen from Sudetes (Poland)