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Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO 4 ·2H 2 O. It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, drywall and blackboard or sidewalk chalk. Gypsum also crystallizes as translucent crystals of selenite.
Gypsum is a common sulfate mineral with many industrial and ornamental applications. Learn about its chemical composition, crystal system, cleavage, hardness, and how to identify its different varieties such as alabaster, selenite, and satin spar.
Sep 9, 2023 · Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate (CaSO4·2H2O). It has various applications in construction, agriculture, industry, and art, and can undergo dehydration, rehydration, and dissolution processes.
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Jul 5, 2024 · Gypsum is a common sulfate mineral composed of hydrated calcium sulfate, with various forms and properties. It is widely used in plaster, cement, paper, and other industries, and occurs in sedimentary deposits and salt domes.
- The Editors of Encyclopaedia Britannica
Gypsum is a soft, white, hydrated calcium sulfate mineral that forms in sedimentary settings. It has many applications in construction, art, medicine and agriculture, and can be identified by its hardness, cleavage and solubility in water.
Feb 24, 2024 · Learn about gypsum, a soft sulfate mineral composed of calcium sulfate dihydrate, and its formation, properties, and applications. Find out how gypsum is used in plaster, drywall, fertilizer, and more.
Learn about the properties, varieties, uses, and localities of gypsum, a hydrous calcium sulfate mineral with unique crystal habits. See photos of gypsum specimens, including the world's largest crystals from Mexico.
