- Also called chalybite. a common mineral, iron carbonate, FeCO3, usually occurring in yellowish to deep-brown cleavable masses: a minor ore of iron.
- a meteorite consisting almost entirely of metallic minerals.
Origin of siderite
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Examples from the Web for siderite
This compound occurs in nature as siderite, and is a valuable ore.An Elementary Study of Chemistry
Siderite, or spathic iron ore, FeCO3, crystallizes in the rhombohedral system and contains 48.28% of iron.
Their principal iron mineral is hematite, although the English ores also contain considerable iron carbonate or siderite.
The Bilbao ores consist mainly of siderite, which near the surface has altered to large bodies of oxide minerals.
Quartzite (instead of limestone) is an unusual locus of replacement ores, and siderite is an unusual gangue.
- 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
- a meteorite consisting principally of metallic iron
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