**1. Introduction**

The Central European uranium deposits were the first industrially mined deposits in the world. Uranium minerals were noticed by miners in the Ore Mts. area (Saxony, Bohemia) for a long time prior the discovery of uranium by Klaproth in 1789. The uranium mineral pitchblende was reported from this ore district as early as 1565. Pitchblende was firstly extracted for production of colouring agents used in the glassmaking industry. Uranium glass became very popular in the mid-nineteenth century. The important glassworks on this time exist in North and South Bohemia (Jizera Mts., Krkonoše, and Bohemian Forest).

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The German chemist Klaproth in 1789 detected a new element, uranium, by analysing pitchblende from the Johanngeorgenstadt silver deposit. Its name (uranit, later uranium) was derived from the planet Uranus, discovered in 1781 by F.W. Herschel. Later, A.H. Becquerel discovered the phenomenon of radioactivity. His student Marie Sklodowska-Curie by study of some pitchblende samples, including samples from the Jáchymov uranium deposit, recognised that pitchblende has higher radioactivity as pure uranium salts. Later, together with her husband P. Curie, in 1898, they discovered two new elements: radium and polonium. Radium was used in self-luminous paints and in medicine to produce radon gas. Research by O. Hahn, L. Meitner and F. Strassmann in 1934 led to using of uranium as a fuel in the nuclear power industry and first nuclear weapons.

tillage of the Austrian-Hungary monarchy in Vienna recognised high interest for this new business and delegated the young chemist Adolf Patera (1819–1894) to discover a cheap technology for the production of yellow uranium colour. In the years 1851–1855, silver metallurgical work was reconstructed to factory for production of uranium yellow colours (k.k. Urangelbfabrik). Later, a new young chemist Arnošt Vysoký (1823–1872), who was named in 1866 as the director of this metallurgical and chemical works, developed some new uranium colours for the glassmaking industry (uranium orange yellow colour, uranium ammonium yellow, and high orange uranium colour) and the "black uranium colour" for the porcelain industry [3]. All these uranium colours from the Jáchymov factory were highly valued in the European market, especially in the Great Britain and France. According to high international interests for uranium colours from the Jáchymov, the original silver metallurgical work and factory for production of uranium colours in 1871 was quite reconstructed, and in 1879, this work was named as the biggest world factory for production of uranium colours. Original production of uranium colours in 1853 (84.6 kg) rose in 1886 to 12,776 kg of uranium colours. However, 10 years later, interest for uranium colours distinctly declined. After year 1896, the production of uranium colours in the Jáchymov highly declined and mining of uranium ore was almost stopped. After World War I, new competitive uranium colour factories originated in Belgium, Great Britain and Canada. The uranium colour factory in Jáchymov and factory in the Oolen, Belgium, closed in 1926 with a cartel agreement for the European market with 40% quotient for the Jáchymov factory. However, majority of glass and porcelain factories in the Czechoslovakia bayed the cheaper uranium colours from the British firms. After occupations of Jáchymov by Nazis (1938),the new Germany company (St. Joachimsthaler Bergbaugesellschaft) was established in 1939 (St. Joachimsthaler Bergbaugesellschaft), which have mined uranium ore for the German nuclear experiments. The chemical factory for producing of uranium colours and radium was closed and settled. Distinctly lower quantity of uranium colours was produced in some small factories in the German part of the Ore Mts. area (Krušné Hory/Erzgebirge), which used pitchblende mined in the Marienberg, Annaberg

History of Uranium Mining in Central Europe http://dx.doi.org/10.5772/intechopen.71962 3

and Johanngeorgenstadt silver-cobalt-nickel-uranium deposits [2].

Uranium glass became popular in the mid-nineteenth century, with its period of greatest popularity being from 1880s to the 1920s [2, 4]. The most typical colour of uranium glass is pale yellowish-green, which in the 1920s led to the nickname Vaseline glass based on a perceived resemblance to the appearance of petroleum jelly as formulated and commercially sold at that time. Vaseline glass is usually used for any uranium glass especially in the United States. The first major producer of uranium glass is commonly recognised as Franz Xaver Anton Riedel (1782–1844) from the Dolní Polubný (Unter-Polaun) in the Jizera Mountains, North Bohemia. This glassmaker had started with the production of uranium glass in 1841 and had developed yellow and green uranium glass named after his daughter Anna yellow (Anna gelb) and Anna green (Anna grünn). Some other uranium glassworks existed in this time in the Krkonoše Mts. (Riesengebirge), on the boundary between Bohemia and Poland

**4. Uranium glass**
