Sphere made of ornamental gabbro from Sudetes (Poland)
Specimen of amphibole-plagioclase rock from Sudetes (Poland)
Aventurine quartzite from Sudetes. Small inclusions of pytite and mica minerals.
Green quartz from alluvial deposit in Poland (Sudetes)
Polished specimen of ore bearing rock from Sudetes (Poland)
Polished specimen of mylonite from Sudetes (Poland)
Kemmeririte on chromite from Sudeters (Poland)
Chrome diopside from Finland