What mineral is used for wallboard cement stucco?

The mineral commonly used for wallboard, cement, and stucco is gypsum. Gypsum is a soft sulfate mineral composed of calcium sulfate dihydrate. It is prized for its fire-resistant properties and ease of use, making it a popular choice in construction materials. When heated, gypsum can be processed into plaster or drywall, contributing to its widespread application in building and renovation projects.