magnesium carbonate

American  

noun

Chemistry.

1. a white powder, MgCO 3 , insoluble in water and alcohol, soluble in acids, used in dentifrices and cosmetics, in medicine as an antacid, and as a refractory material.

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Example Sentences

Calcitic lime is straight calcium carbonate; dolomitic lime also has magnesium carbonate mixed in.

From Seattle Times

“But it makes exceptionally high-quality sand. It’s all calcium carbonate and magnesium carbonate, and Portland cement chemically bonds with it. We sell it mostly for landscaping and for architectural concrete.”

From The New Yorker

“Every single magnesium atom in these rocks has made friends with the carbon dioxide to form solid limestone, magnesium carbonate, plus quartz,” he said as he patted a rust-colored boulder in the Wadi Mansah valley.

From Seattle Times

The magnesium oxide should react with the CO2 to form stable magnesium carbonates, thereby removing CO2 from solution and reducing the solubility of actinides.

From Nature

Its history may be linked to Morton Salt, whose slogan – “When It Rains It Pours” – promised salt that would be free-running even in damp weather due to the addition of magnesium carbonate.

From The Guardian