Petroleum
A collection of fossil fuels of Russia and Tatarstan. The collection was started by A. Shtukenberg when he deposited petroleum specimens of Baku here. The petroleum and gas liquid samples here are from major oil provinces of Russia: North Caucasus, Timano-Pechora, Volga-Urals, West Siberian, Leno-Tungus, and others. There are also samples of ozokerite, kir, bitumen, and coal.