Used as a refractory material in furnace linings due to its high melting point and resistance to basic slags. Commonly employed in agriculture to correct soil acidity and as a magnesium supplement for plants. In medicine, it serves as an antacid to relieve heartburn and indigestion, and as a laxative for short-term treatment of constipation. Also utilized in construction materials for fireproofing and insulation because of its flame-resistant properties. Plays a role in the production of ceramics, glass, and electrical insulators. Additionally, it is used in environmental applications to neutralize acidic waste and flue gases.