Siderite1. (n.) Carbonate of iron, an important ore of iron occurring generally in cleavable masses, but also in rhombohedral crystals. It is of a light yellowish brown color. Called also sparry iron, spathic iron.
2. (n.) A meteorite consisting solely of metallic iron.
3. (n.) An indigo-blue variety of quartz.
4. (n.) Formerly, magnetic iron ore, or loadstone.
5. (n.) Any plant of the genus Sideritis; ironwort.
Thesaurus Entries
amphibole, antimony, apatite, aplite, arsenic, asbestos, asphalt, azurite, bauxite, billiard table, bitumen, boron, bowling alley, bowling green, brimstone, bromine, brucite, calcite, carbon, celestite, chalcedony, chalk, chlorite, chromite, clay, coal, coke, corundum, cryolite, diatomite, driven snow, emery, epidote, epsomite, feldspar, flat, fleece, flour, foam, garnet, glass, glauconite, graphite, gypsum, hatchettine, holosiderite, ice, iron pyrites, ivory, jet, kyanite, level, lignite, lily, lime, maggot, magnesite, mahogany, malachite, maltha, marble, marcasite, marl, meerschaum, mica, milk, mineral coal, mineral oil, mineral salt, mineral tallow, mineral tar, mineral wax, molybdenite, monazite, obsidian, olivine, ozokerite, paper, pearl, peat, perlite, phosphate rock, phosphorus, plane, pumice, pyrite, pyrites, pyroxene, quartz, realgar, red clay, rhodonite, rock crystal, rocks, salt, satin, selenite, selenium, sheet, siderite, silica, silicate, silicon, silk, silver, slide, smooth, snow, spar, spinel, spodumene, sulfur, swan, talc, talcum, tellurium, tennis court, velvet, wollastonite, wulfenite, zeolite