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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 jacobsite ： ウィキペディア英語版 jacobsite Jacobsite is a manganese iron oxide mineral. It is in the spinel group and forms a solid solution series with magnetite. The chemical formula is MnFe2O4 or with oxidation states and substitutions: (Mn2+,Fe2+,Mg)(Fe3+,Mn3+)2O4.〔〔(Webmineral data ) 〕 It occurs as a primary phase or as alteration of other manganese minerals during metamorphism of manganese deposits.〔 Typical associated minerals include hausmannite, galaxite, braunite, pyrolusite, coronadite, hematite and magnetite.〔 It was first described in 1869 and named for the Jakobsberg Mine, Nordmark, Filipstad, Värmland, Sweden.〔 ==References== *(National Pollutant Inventory - Manganese and compounds Fact Sheet ) 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「jacobsite」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.