Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A white, yellowish, or brown mineral, magnesium carbonate, MgCO3, used in the manufacture of magnesium oxide and carbon dioxide.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A form of magnesium carbonate, MgCO3, occurring as dolomite (with calcite) but rarely found in the pure state.

from the GNU version of the Collaborative International Dictionary of English

  • n. Native magnesium carbonate occurring in white compact or granular masses, and also in rhombohedral crystals.

from The Century Dictionary and Cyclopedia

  • n. Native magnesium carbonate, a mineral occurring in white compact masses, less often in rhombohedral crystals. It belongs to the calcite group.
  • n. the hydrated magnesium silicate usually called sepiolite or meerschaum.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a white mineral consisting of magnesium carbonate; a source of magnesium

Etymologies

Named after its composition in 1807. (Wiktionary)

Examples

  • District Court in Trenton, N.J., alleges that companies in China conspired to drive up the price of magnesite, which is used in steelmaking.

    China Defends Price Fixing by Vitamin Makers

  • It occurs in a number of localities as magnesite, which is usually amorphous, but sometimes forms pure crystals resembling calcite.

    An Elementary Study of Chemistry

  • Rust promoting agents are also acids and most salt solutions; consequently, smoke, sodium chloride, salt water, and binders such as magnesite mortar and gypsum.

    1. Technical requirements for Asbestos substitutes

  • New wooden barracks below a magnesite quarry which covers with its terraces the whole mountainside.

    Work Camp 199 GW

  • Meanwhile, China now accounts for nearly three quarters of North Korea's total trade, sending it crude oil, petroleum and manufactured goods in exchange for coal, steel and rare metals like tungsten and magnesite.

    How Kim Affords His Nukes

  • Encouraged by Pyongyang, the group plans to take control of gold, copper, zinc and magnesite mines in Hamgyong, a planned mining zone on North Korea's rugged east coast.

    Coming Out Party

  • For a furnace with basic refractories, which includes most carbon steel-producing furnaces, the usual slag formers are calcium oxide (CaO, in the form of burnt lime) and magnesium oxide (MgO, in the form of dolomite and magnesite).

    Archive 2008-03-23

  • In court filings, China's magnesite producers didn't dispute that they discussed prices and offered the same defense as vitamin C makers: They didn't violate the law because they acted under government authority.

    China Defends Price Fixing by Vitamin Makers

  • He said Resco bought 800 tons of magnesite from China last month for $1,200 a ton, up 50% from its last order in July.

    China Defends Price Fixing by Vitamin Makers

  • But now, a handful of U.S. lawsuits claim Chinese producers have cornered the market, raising prices on a handful of basic commodities -- Vitamin C, pain reliever acetaminophen, saccharin, bauxite, rayon and magnesite, a mineral used in steel production.

    CNN Transcript Apr 30, 2007

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