Gypsum

Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4·2H2O. It is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, blackboard/sidewalk chalk, and drywall.

Chemical Properties

Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4·2H2O. It is soluble in water and has a white or grey color. It can be found in nature in crystalline form, or as a fine white powder.

Uses

Gypsum is widely used in the construction industry for its ability to form plaster. It is also used in agriculture as a fertilizer, due to its high calcium and sulfur content. In addition, it is used in the production of blackboard chalk and drywall.

Health Effects

Exposure to gypsum dust can cause irritation to the eyes, skin, and respiratory system. It can also cause chronic health effects such as silicosis if inhaled over a long period of time.

See Also

• Calcium sulfate
• Plaster
• Fertilizer
• Drywall

References

Gypsum Resources
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