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Stibnite

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	Stibnite
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	Topics Stibnite Topic Home Stibnite, sometimes called antimonite, is a sulfideSulfide Overview The term sulfide refers to several types of chemical compounds containing sulfur in its lowest oxidation number of −2... mineralMineral Minerals are natural compounds formed through geological processes.... with the formulaChemical formula A chemical formula is a concise way of expressing information about the atoms that constitute a particular chemical compoun... SbAntimony Antimony is a chemical element in the periodic table that has the symbol Sb and atomic number 51.... ₂SSulfur Sulfur or sulphur is the chemical element in the periodic table that has the symbol S and atomic number 16.... ₃. This soft grey material crystallizes in an orthorhombic space group. It is the most important source for the metaloid antimony. Formation, structure, reactivity Sb₂S₃ forms when antimony(III) compounds are treated with hydrogen sulfideHydrogen sulfide Hydrogen sulfide, H2S, is a colorless, toxic, flammable gas that is responsible for the foul odor of rotten eggs and flatule... . This reaction gives a black precipitate: 2 Sb³⁺ + 3 HHydrogen \|-\| Triple point \|\| 13.8033 K, 7.042 kPa... ₂S ? Sb₂S₃ + 6 H⁺ This reaction is reversed by hydrochloric acidHydrochloric acid The chemical compound hydrochloric acid is the aqueous solution of hydrogen chloride gas.... . Stibnite is attacked by potassium hydroxide solution and dissolves in solutions of polysulfideFacts About Polysulfide Polysulfides are a class of chemical compounds containing chains of sulfur atoms.... ions to give polysulfido complexes. Related reactions were once used in university courses on qualitative inorganic analysisQualitative inorganic analysis Classical qualitative inorganic analysis is a method of analytical chemistry which seeks to find elemental composition of in... . Stibnite has a structure similar to that of arsenic trisulfide, AsArsenic \|-\| Critical temperature \|\| 1673 KArsenic is a chemical element in the periodic table that has the symbol As and ato... ₂S₃. The Sb(III) centers, which are pyramidal and three-coordinate, are linked via bent two-coordinate sulfide ions. Uses Stibnite has no significant uses, except as a precursor to antimony oxide, which is the most commonly marketed form of antimony. In ancient times, it was used as mascaraMascara Mascara is a cosmetic used to darken, thicken and define eyelashes.... called kohlKohl (cosmetics) Kohl, is a mixture of soot and other ingredients, used by Egyptian and Asian women, and to a lesser extent, men to darken th... . Occurrence Small deposits of stibnite are common, but large deposits are rare. It occurs in CanadaCanada Canada is the world's second-largest country by total area, occupying most of northern North America.... , MexicoMexico The United Mexican States, generally known as Mexico is a country located in North America, bordered at the north by t... , PeruPeru Peru, officially the Republic of Peru, is a country in western South America, bordering Ecuador and Colombia to the no... , JapanJapan is an island country in East Asia. Located in the Pacific Ocean, it lies to the east of China, Korea, and Russia, stretching from... , ChinaChina Summary China is a cultural region and ancient civilization in East Asia.... , GermanyGermany Germany , officially the Federal Republic of Germany , is a country in central Europe.... , RomaniaRomania Overview Romania: is a country in Southeastern Europe.... , ItalyItaly Italy, officially the Italian Republic , is a Southern European country.... , FranceFrance France, officially the French Republic, is a country whose metropolitan territory is located in Western Europe and whi... , EnglandEngland England is the largest and most populous constituent country of the United Kingdom.... , AlgeriaAlgeria Algeria , officially the People's Democratic Republic of Algeria is a country in north Africa, and the second largest ... , and KalimantanKalimantan Kalimantan is the Indonesian part of the island of Borneo.... , BorneoBorneo Borneo is the third largest island in the world.... . In the United StatesUnited States The United States of America, also known as the United States, the U.S., the U.S.A., and America, is... it is found in ArkansasArkansas Arkansas is a Southern state in the United States. ... , IdahoIdaho Overview Idaho is a state in the Pacific Northwest of the United States.... , NevadaNevada Nevada is a state located in the western United States, best known for its widespread legalization of gambling and gaming in... , CaliforniaCalifornia California is a state spanning the southern half of the west coast of the contiguous United States.... , and AlaskaFacts About Alaska Alaska is a U.S. state, located on the northwest tier of North America.... . Large iridescent stibnite crystals are found in Japan. As of May 2007, the largest specimen on public display (1000 pounds) is at the American Museum of Natural HistoryAmerican Museum of Natural History The American Museum of Natural History is a landmark of Manhattan's Upper West Side in New York, USA, at 79th Street and Cen... . See also List of mineralsList of minerals This is a List of minerals for which there are Wikipedia articles.... External links