The collection of minerals began in 1968, and in 1976 emerged the department of natural sciences - mineralogy, as part of the Maramureş County Museum. In 1989 the permanent exhibition opened in the new location of 8, Traian Avenue. The Maramureş Museum of Mineralogy was established in 1992 as a distict institution. The museum building is a contemporary one, dating from 1986 and holds about 16,000 samples of non-ferrous metals ores in the Oaş-Gutâi-Ţibleş Mountains area. About 980 pieces are on display. The permanent exhibition runs as follows: the scientific side on the ground floor, comprising three departments (petrography, mineralogy, and ores), while on the... upper floor there are the rarest and most special samples known under the name of mine flowers.