Found 2 items, similar to siderite.
English → English (WordNet) Definition: siderite siderite n 1: iron ore in the form of ferrous carbonate [syn: chalybite] 2: a meteorite consisting principally of nickel and iron
English → English (gcide) Definition: Siderite Siderite \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]