Calcium carbonate is a widely used substance in the earth's crust. Calcium carbonate is a type of sedimentary rock that has formed over millions of years. Calcium carbonate is found in mines in the form of calcite, aragonite, marble, limestone.
This material has a high melting point of about 1339 degrees Celsius and is non-flammable and non-toxic.
This mineral is widely used cheaply and is a suitable filler in many applications in the paint industry