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siderite n. 菱铁矿,陨铁 菱铁矿,陨铁 siderite n 1: iron ore in the form of ferrous carbonate [ synonym: { siderite}, { chalybite}] 2: a meteorite consisting principally of nickel and ironSiderite \ Sid" er* ite\, n. [ L. sideritis loadstone, Gr. ????, ????, of iron, from ???? iron.] 1. ( Min.) ( a) Carbonate of iron, an important ore of iron occuring generally in cleavable masses, but also in rhombohedral crystals. It is of a light yellowish brown color. Called also { sparry iron}, { spathic iron}. ( b) A meteorite consisting solely of metallic iron. ( c) An indigo- blue variety of quartz. ( d) Formerly, magnetic iron ore, or loadstone. [ 1913 Webster] 2. ( Bot.) Any plant of the genus { Sideritis}; ironwort. [ 1913 Webster] Siderographic
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