siderite
Americannoun
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Also called chalybite. a common mineral, iron carbonate, FeCO 3 , usually occurring in yellowish to deep-brown cleavable masses: a minor ore of iron.
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a meteorite consisting almost entirely of metallic minerals.
noun
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Also called: chalybite. a pale yellow to brownish-black mineral consisting chiefly of iron carbonate in hexagonal crystalline form. It occurs mainly in ore veins and sedimentary rocks and is an important source of iron. Formula: FeCO 3
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a meteorite consisting principally of metallic iron
Other Word Forms
Etymology
Origin of siderite
1570–80, in sense “loadstone”; 1845–50 siderite for def. 1; sider- + -ite 1; in obsolete sense, variant of siderites < Latin sidērītēs < Greek sidērī́tēs loadstone
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The entrance is flanked by large chunks of ironstone, or siderite, and features crushed brick paving, a reference to the brickyard that operated there for much of the 20th century.
From Washington Post ● Oct. 27, 2009
Sediments thus formed include limestone and dolomite, siderite, salt, gypsum, potash, sulphur, phosphates, nitrates, and other minerals.
From The Economic Aspect of Geology by C. K. (Charles Kenneth) Leith
This is one of the ordinary stony meteorites, and is thus contrasted with the Rowton siderite which we have just been considering.
From The Story of the Heavens by Sir Robert S. (Robert Stawell) Ball
Scientific examination proved it to be a "siderite," or mass of "nickel-iron"; its weight exceeded eight pounds, and it contained many nodules of graphite.
From A Popular History of Astronomy During the Nineteenth Century Fourth Edition by Agnes M. (Agnes Mary) Clerke
Sometimes, as in the Rowton siderite, the whole object consists of little else; sometimes this alloy is in grains distributed through the mass.
From The Story of the Heavens by Sir Robert S. (Robert Stawell) Ball
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