Coal Mine Museum, Blegny
Coal Mine Museum Ons Mijnverleden, Houthalen
Diamond Museum, Antwerp
Limestone Quarry, Grottes de Folx-les-Caves
Marl Museum, Kannes/Riest
Mineralogisch Museum, Academie voor Mineralogie, Antwerp
Museum of Marble and Mines, Free University of Brussels
Museum of Mineralogy, Free University of Brussels; see also here  
Museum of Miners Housing, Maasmechelen (Eisden)
Natural Sciences Museum, Brussels (more than 30 million specimens)
Phosphate and Chalk Quarry, Malogne
Royal Museum for Central Africa, Tervuren (houses mineralogical and geological collections); see also here  
School Museum Michel Thiery, Ghent (since 1924, geological, mineralogical and paleontological collections)
Slate Quarry Museum, Ardoisalle