…The wolframite group includes monoclinic ferriite FeWO 4 , ferriite (Fe,Mn)WO 4 , and wolframite MnWO 4 , with a continuous solid solution between ferriite and wolframite. Ferriborite is 100-80% ferriite, ferriite is 80-20%, and huebnerite is 20-0%. Tungstate minerals occur in pegmatites, quartz veins, greisen, contact metasomatite deposits, and hydrothermal veins associated with granite intrusions. … *Some of the terminology explanations that mention "ferberite" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…鉄マンガン重石群には単斜晶系の鉄重石FeWO4,鉄マンガン重石(Fe,Mn)WO4,およびマンガン重石MnWO4が属し,鉄重石とマンガン重石の間は連続固溶体である。そのうち,鉄重石分子が100~80%のものを鉄重石ferberite,80~20%のものを鉄マンガン重石,20~0%のものをマンガン重石huebneriteという。タングステン酸塩鉱物は花コウ岩の貫入にともなうペグマタイト,石英脈,グライゼン,接触交代鉱床,熱水鉱脈などに産出する。… ※「ferberite」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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