Tungstate mineral - tungsten sanenkoubutsu (English spelling) tungstate mineral
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A general term for metal salt minerals containing the tungstic acid group WO 4 2- (tetrahedral structure). Examples include scheelite with calcium and wolframite with iron and manganese. Most are translucent and have a relatively high specific gravity. They occur in pegmatites, pneumatolytic deposits, and contact metasomatic deposits. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
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タングステン酸基 WO42- (四面体構造) を含む金属塩鉱物の総称。カルシウムを結合した灰重石，鉄およびマンガンと結合した鉄マンガン重石などがその例。多くは半透明で比重は比較的大きい。ペグマタイト，気成鉱床，接触交代鉱床などに産出する。
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>>: Tungstate - Tungsten Sanen
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