The Mineral Days in Düsseldorf is an annual mineral exchange that offers a platform for lovers, collectors, and those interested in minerals, fossils, jewellery, and precious stones. Thousands of years-old natural treasures await the visitor there. Immerse yourself in the world of fossils with their rarities and petrified contemporary witnesses of millions of years long past and let yourself be enchanted by the wide range of sparkling, unique, and precious pieces of jewellery in combination with gold and silver. You can choose from a wide range of crystals, mineral specimens, shells, artefacts, and trinkets. It offers the opportunity to have an individual piece of jewellery made or to acquire a perfect collector's item. Let yourself be invited to an exciting expedition into the world of minerals and fossils! The Mineralientage will take place on 2 days from Saturday, 10. January to Sunday, 11. January 2026 in Düsseldorf.