what is calcite used for
Answer by Paul Jones. Confidence votes 68.1K. Rockhound. The mineral calcite is used in medicines (such as antacids), as a soil conditioner, as roadbed material and building stone (in the form of limestone and marble), in a variety of cosmetics and in toothpaste, and in the production of steel and cement.nswer by Paul Jones. Confidence votes 68.1K. Rockhound. The mineral calcite is used in medicines (such as antacids), as a soil conditioner, as roadbed material and building stone (in the form of limestone and marble), in a variety of cosmetics and in toothpaste, and in the production of steel and cement.