The book presents one of the main works of the German alchemist and doctor Johann Rudolf Glauber - the treatise "Mineral Work," consisting of three parts. The first part shows how you can get gold from sand pebbles. The second part sets out the origin and origin of metals and minerals. The third part presents the possibility of transmutation of metals. Also attached are his two small treatises, "Tincture of Gold" and "Consolation of the Floating."