It count more than 1,000 specimens, separated in 859 inventory numbers. The collection possesses 48 inventory numbers. Beside the natural ones, the series of synthetic precious stones is represented. The collection numbers more then 600 inventory numbers. Lava was collected according to the years of eruptions, from the famous year of 79, when the eruption buried cities of Pompeii and Herculanum.
Collection contains historical value, because it is the first collection of such kind in Europe.
Collection numbers 200 samples. Dragan Bukovec . The Old Pilar's collection was formed at the Pilars' times. The oldest nucleus of the collection by gifts, by ransom and by collecting during the field investigations. The exact number of specimens is still unknown.