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Jarosite — is a basic hydrous sulfate of potassium and iron with a chemical formula of KFe(III)3(OH)6(SO4)2. This mineral is formed in ore deposits by the oxidation of iron sulfides. Jarosite is often produced as a byproduct during the purification and… … Wikipedia
Geometrically frustrated magnet — Geometrical frustration and ice rules The word frustration was introduced to describe the situation where a system cannot simultaneously minimize the interaction energies between its components [cite journal last = Schiffer first = P. authorlink … Wikipedia
Hooray for What! — Infobox Musical name= Hooray for What! subtitle= caption= music= Harold Arlen lyrics= E. Y. Harburg book= Howard Lindsay and Russel Crouse basis= productions= 1937 Broadway awards= Hooray for What! is an anti war [Richard Connema,… … Wikipedia
Эндуро — Характеристика … Википедия
Frederic Lamond — Pour les articles homonymes, voir Lamond. Frederic Lamond au sommet de sa carrière. La dédicace : Pour mon cher ami M. Max Ibach, avec remerciements et meilleurs vœux de Frederic Lamond. 8.11.1898, Bruxelles … Wikipédia en Français

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