Application allows synopsis of study material, including rock and mineral samples from the Bohemian Massif and a part of the West Carpathians, deposited in Collections of the CGS. The collections are included in the Central Registry of Museum-type Collections (CES evidence) with the Ministry of Culture of the Czech Republic. Setting up of the Collection and its utilization is regulated by the law 122/2000 Sb. The most valuable part of the fund is kept in premises (Collections) in the CGS building, Klárov, Praha 1. The other parts of collections are kept in the CGS depository in Lužná near Rakovník.