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Brassite is a rare arsenate mineral with the chemical formula Mg(AsO3OH)·4(H2O). It was named brassite, in 1973, to honor French chemist R`ejane Brasse, who first synthesized the compound. The type locality for brassite is Jáchymov of the Czech Republic.〔 It occurs as an alteration of magnesium carbonate minerals by arsenic bearing solutions. It occurs associated with pharmacolite, picropharmacolite, weilite, haidingerite, rauenthalite, native arsenic, realgar and dolomite.〔 ==Localities== Czech Republic: *Jáchymov (St Joachimsthal), Jáchymov, Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia, Czech Republic France: *Salsigne mine, Salsigne, Mas-Cabardès, Carcassonne, Aude, Languedoc-Roussillon, France *Villanière (slag locality), Salsigne, Mas-Cabardès, Carcassonne, Aude, Languedoc-Roussillon, France Germany: *Wilhelm Mine (Wechselschacht), Bauhaus, Richelsdorf District, Hesse, Germany *Ore dumps, Richelsdorf Smelter, Süss, Richelsdorf District, Hesse, Germany 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「Brassite」の詳細全文を読む スポンサード リンク
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