The pyrite and siderite associated with the ores have been oxidized into limonite hemitite and goethite.
黄铁矿、菱铁矿变为褐铁矿、赤铁矿和针铁矿。
The pyrite and siderite associated with the ores have been oxidized into limonite hemitite and goethite .
黄铁矿、菱铁矿变为褐铁矿、赤铁矿和针铁矿。
The pyrite and siderite associated with the ores have been oxidized into limonite, hemitite and goethite.
一种常见的氧化铁矿石，是针铁矿、赤铁矿和纤铁矿的混合物。
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