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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Beraunite ： ウィキペディア英語版 Beraunite Beraunite is an iron phosphate mineral. It was first described by August Breithaupt for an occurrence in Beraun currently in the Czech Republic. Beraunite occurs as a secondary mineral in iron ore deposits, and as an alteration product of primary phosphate minerals in granite pegmatites. Beraunite crystallizes in the monoclinic crystal system with point group 2/m. Beraunite’s formula is Fe2+ Fe3+5(OH)5(PO4)4·4H2O. Aluminium and zinc may substitute in the structure. ==Occurrence== Beraunite occurs as a secondary mineral in iron ore deposits and as an alteration product of primary phosphates minerals in granite pegmatites. It is found as an alteration product of triohylite at the Big Chief and Hesnard mines, Keystone, Pennington County, South Dakota, New Hampshire. Also, it found in Arkansas, New Jersey and Pennsylvania in the United States. In addition to those places, it is found in Ireland, Germany, and the Czech Republic. 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「Beraunite」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.