The material which comprises this gem collection as well as the minerals contained in the mineral collection can be used for
comparative purposes, when necessary. The collection of precious stones currently includes some 4000 objects - raw stones,
polished stones as well as some pieces of original jewellery and applied art. In addition to natural products, synthetics
and imitations are also included in the collection.
Special tours through and themed exhibitions in the Natural History Museum are offered to relevant institutions, such as,
for example, the Viennese Guild of Gold- and Silversmiths, the Association of Viennese Gold- and Silversmiths, and the Austrian