The Rock and Ore Collection comprises approximately 70,000 rock and ore samples and is subdivided into Regional Rock, Systematic Rock, Impactite, Crystalline Erratic Rock, Ore, and Natural Building Stone sub-collections.

There are also thin sections and polished thick sections of rocks and minerals attached to the collection.

The comprehensive Impactite collection comprising 5,000 impact crater rock specimens is unique in Europe and one of the largest in the world.