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magnetite    音标拼音: [m'ægnət,ɑɪt]
n. 磁铁矿

磁铁矿

magnetite
n 1: an oxide of iron that is strongly attracted by magnets
[synonym: {magnetite}, {magnetic iron-ore}]

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  • Magnetite - Wikipedia
    The relationships between magnetite and other iron oxide minerals such as ilmenite, hematite, and ulvospinel have been much studied; the reactions between these minerals and oxygen influence how and when magnetite preserves a record of the Earth's magnetic field
  • 磁铁矿_百度百科
    磁铁矿（ Magnetite），是指氧化物类矿物磁铁矿的矿石。 磁铁矿的主要成分为Fe₃O₄。 通常涉及古磁场以及地外生命等重大科学问题，因此在行星科学领域备受学者关注。
  • 磁鐵礦 - 维基百科，自由的百科全书
    磁鐵礦 磁铁矿 （英語： magnetite）为一种具有 亚铁磁性 的 氧化物礦物，其富含 四氧化三铁 （化学式 为Fe 3 O 4， 分子量 为231 54）。 产于变质矿床和内生矿床中，氧化后变为 赤铁矿 或 褐铁矿，是炼铁的主要原料。
  • Magnetite: Properties and applications – A review - ScienceDirect
    2 Properties Magnetite consists of a ferrimagnetic mineral formed by ferreous and ferric iron, whose chemical formula is Fe 3 O 4, with some possible content of magnesium and bivalent manganese It presents black color, metallic luster, high hardness, black line, and particular magnetic properties
  • Magnetite | Magnetic Properties, Iron Oxide, Magnetism | Britannica
    All are magnetic, although franklinite and jacobsite are only weakly so; magnetite, which frequently has distinct north and south poles, has been known for this property since about 500 bc
  • Magnetite | Common Minerals
    Magnetite is a black, opaque, magnetic mineral that leaves a black streak when rubbed across a hard rough surface It is one of the most abundant metal oxides, and its crystal structure contains both the ferrous (Fe+2) and ferric (Fe+3) forms of iron ions
  • Magnetite Lodestone | Mineral Photos, Uses, Properties
    What is Magnetite? Magnetite is a very common iron oxide (Fe 3 O 4) mineral that is found in igneous, metamorphic, and sedimentary rocks It is the most commonly mined ore of iron It is also the mineral with the highest iron content (72 4%)
  • Magnetite: Mineral information, data and localities.
    It is usually easily distinguished by being strongly magnetic, with black octahedral crystals Nanoinclusions of magnetite crystals cause the iridescence of Rainbow obsidian (Nadin, 2007) Extremely thin layers of 200-nm octahedral crystals of magnetite give some basalt surfaces an iridescent sheen (Nadin, 2007)
  • magnetite - 搜索 词典
    1 To make it, a small needle was repeatedly rubbed on a piece of magnetite till it was magnetized 人们 拿 一 根 小 钢针 在 磁石 上 反复 摩擦， 待 钢针 磁化后， 便是 指南 针 了。
  • magnetite（英语单词）_百度百科
    磁铁矿（magnetite）是英语名词，化学成分为Fe₃O₄，属立方晶系氧化物矿物，晶体呈八面体或菱形十二面体，具反尖晶石型结构。 其外表呈铁黑色，有金属光泽，摩斯硬度5 5～6 5，具强磁性，是铁矿石的重要来源。





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