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__NOTOC__ Esquel is a meteorite found near Esquel, a patagonian town in the northwest part of the province of Chubut in Argentina. It is a pallasite, a type of stony–iron meteorite that when cut and polished show beautiful yellowish olivine (peridot) crystals. In 1951 a farmer uncovered a meteorite in an unknown location near Esquel while digging a hole for a water tank. The meteorite was purchased from the finders and taken to the United States in 1992 by meteorite expert Robert Haag. The Esquel pallasite is known world-wide among collectors and the meteoritical scientific community. Esquel is one of the most beautiful meteorites ever found and is also one of the most desirable pallasites among meteorite collectors. It is a main group pallasite (MGP). == Specimens == The Meteoritical Bulletin no. 29 (1964) reports a main mass of "about 1500 kg".〔 However O. A. Turone claimed a main mass weight of .〔"The weight of the main mass is 755kg and not 1500kg as indicated", O.A.Turone, Buenos Aires, priv. comm. to J.Koblitz, 1994. MetBase 7.0 for Windows. Author: Joern Koblitz, The MetBase Library of Meteoritics and Planetary Sciences, Benquestrasse 27, D-28209 Bremen, Germany〕 Robert Haag, the buyer of the main mass, reported a weight of .〔(【引用サイトリンク】title=Paucity of sulfide in a large slab of Esquel: New perspectives on pallasite formation )〕 Almost all of the Esquel ever found on the market is cut from his piece. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Esquel (meteorite)」の詳細全文を読む スポンサード リンク
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